No its the perfect weight for someone your age. Just don't gain more.
12.218 = twelve and two hundred eighteen thousandths.
718.012
eighteen thousand, five hundred forty and twelve hundredths.
Twelve thousand, eight hundred forty-two and eighteen thousandths.
25,318,067,112
eighteen twelve
Eighteen million, one hundred twelve thousand dollars.
Seven hundred eighteen and twelve thousandths in standard form is 718.012. In expanded form, it is written as 700 + 10 + 8 + 0.01 + 0.002.
36,618,009,012 I'm pretty sure...
2/3
three hundred twelve thousand six hundred twelve
One hundred and twelve.