12399708120 has 32 divisors (see below), whose sum is σ = 37199124720. Its totient is φ = 3306588800.

The previous prime is 12399708103. The next prime is 12399708133. The reversal of 12399708120 is 2180799321.

It is a super-2 number, since 2×12399708120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51665331 + ... + 51665570.

Almost surely, 2^12399708120 is an apocalyptic number.

12399708120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12399708120 is an abundant number, since it is smaller than the sum of its proper divisors (24799416600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12399708120 is a wasteful number, since it uses less digits than its factorization.

12399708120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103330915 (or 103330911 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 12399708120 in words is "twelve billion, three hundred ninety-nine million, seven hundred eight thousand, one hundred twenty".