Route 218 or 222. Or can evolve Mime Jr. into a Mr. Mime.
Pokemon 122 is Hippopotas, which you can find in the cave to the left of Route 214. The more different kinds of Unown you have, the more likely it is to appear.
Hippopotas, you can find it in Maniac Tunnel by Veilstone City.
on route 214.the Pokemon is hippopotas.
Mr.mime
Hippopotas.
From Route 121, go south and surf on Route 122 and you'll find Mt. Pyre.
Mr.Mime evolve it from mime jr. Mime jrs can be found in the trophy garden.
Its two$
Under Veilstone City is a small cave where a man is digging. In there you can find that pokémon. But I don't think it's very common, so you must be patient when you look for it.
The prime factorization of 122 is: 2 x 61
To find what equals 122 when multiplied, we need to factorize 122 into its prime factors. 122 can be expressed as 2 x 61. Therefore, 2 multiplied by 61 equals 122.
Mt. Pyre in Pokemon Emerald is near Lilycove City on Route 122. You have to surf to get there, or make it to the Safari zone. There's a cave where you have to go in and move up, and there you will find Mt. Pyre.