The term "one million million" refers to the number 1,000,000,000,000. This quantity can also be expressed as 10 to the power of 12. There are several synonyms for "one million million" that can be used in different contexts. In the United States, this number is often referred to as a trillion. However, in other parts of the world, the term "one billion" may be used for this quantity. Additionally, the word "teragram" can be used to describe one trillion grams of a substance. Finally, this number can also be expressed as 1e+12, which is a scientific notation used to represent large numbers.