12 of them.
In the US system, one trillion has 12 zeros. 1,000,000,000,000.
There are 12 zeros in 3 trillion.
There are 13 zeros in 80 trillion.
There are 18 zeros in a quin trillion
There are 12 0s in a trillion - before the decimal point. Since a trillion is a whole number, there is no need for 0s after the decimal point. If you do have 0s after the decimal point, there can by any number that you like and so the question cannot be answered.
1 Trillion = 100,000,000,000 eleven zeros
100,000,000,000,000 = hundred trillion which has 14 zeros in it
Thousand trillion = 1,000,000,000,000,000 which has 15 zeros in it
there are 12 zeros. 1.000.000.000.000 is one trillion
1 trillion is 1,000,000,000,000 14.28 trillion is 14,280,000,000,000 There are 10 zeros
There are nine zeros in a billion (1,000,000,000) and twelve zeros in a trillion (1,000,000,000,000).
There are 15 zeros in the number 6,000,000,000,000,000 (6 trillion). ---- Actually, this is six trillion -> 6,000,000,000,000 so there are actually 12 zeros in 6 trillion.