There are 27 zeros in a Million, Billion and Trillion.
The amount of zeros that are in a Million, Billion and Trillion are 27 zeros.
There are 6 zeros in a million.
There are 9 zeros in a Billion.
And there are 12 zeros in a trillion.
So when you add all those zeros it makes it so that there are 27 zeros in a Million, Billion and Trillion.
To write a million, billion and trillion you would write it as 1,000,000 for a million, 1,000,000,000 for a billion, 1,000,000,000,000 for a trillion and 1,000,000,000,000,000 for a quadrillion.