12518797122 has 48 divisors (see below), whose sum is σ = 29339331840. Its totient is φ = 3834952416.

The previous prime is 12518797117. The next prime is 12518797157. The reversal of 12518797122 is 22179781521.

12518797122 is a `hidden beast` number, since 1 + 2 + 518 + 7 + 9 + 7 + 122 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64722 + ... + 170957.

It is an arithmetic number, because the mean of its divisors is an integer number (611236080).

Almost surely, 2^12518797122 is an apocalyptic number.

12518797122 is an abundant number, since it is smaller than the sum of its proper divisors (16820534718).

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

12518797122 is a wasteful number, since it uses less digits than its factorization.

12518797122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235927 (or 235924 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

The spelling of 12518797122 in words is "twelve billion, five hundred eighteen million, seven hundred ninety-seven thousand, one hundred twenty-two".