12507115980 has 48 divisors (see below), whose sum is σ = 35380971360. Its totient is φ = 3300845568.

The previous prime is 12507115967. The next prime is 12507116021. The reversal of 12507115980 is 8951170521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068675 + ... + 1080314.

It is an arithmetic number, because the mean of its divisors is an integer number (737103570).

Almost surely, 2^12507115980 is an apocalyptic number.

12507115980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12507115980 is an abundant number, since it is smaller than the sum of its proper divisors (22873855380).

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

12507115980 is a wasteful number, since it uses less digits than its factorization.

12507115980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149098 (or 2149096 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 39.

The spelling of 12507115980 in words is "twelve billion, five hundred seven million, one hundred fifteen thousand, nine hundred eighty".