That depends on where the term is in use. In some parts of the world, a "million million", or 1000000000000 would be referred to as a "billion". In other parts of the world, it is referred to as a...
A million million dollars equals one trillion dollars: 1 million = 1,000,000 & 1 trillion is 1,000,000,000,000. One billion dollars however equals a thousand million, or: 1 billion/milliard =...