+"12e8" denotes the numerical value one billion two hundred million (1,200,000,000). It is a common expression in [Scientific Notation](/wiki/scientific-notation) used to compactly represent very large or very small quantities. This notation clearly indicates the [Order of Magnitude](/wiki/order_of_magnitude) of a number.
+## See also
+- [Large Numbers](/wiki/large_numbers)
+- [Exponents](/wiki/exponents)
+- [Power of Ten](/wiki/power_of_ten)
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