122915180972 has 24 divisors (see below), whose sum is σ = 218494416672. Its totient is φ = 60491088000.

The previous prime is 122915180959. The next prime is 122915180977. The reversal of 122915180972 is 279081519221.

It is not an unprimeable number, because it can be changed into a prime (122915180977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189383 + ... + 530750.

It is an arithmetic number, because the mean of its divisors is an integer number (9103934028).

Almost surely, 2^122915180972 is an apocalyptic number.

It is an amenable number.

122915180972 is a deficient number, since it is larger than the sum of its proper divisors (95579235700).

122915180972 is a wasteful number, since it uses less digits than its factorization.

122915180972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720809 (or 720807 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 47.

The spelling of 122915180972 in words is "one hundred twenty-two billion, nine hundred fifteen million, one hundred eighty thousand, nine hundred seventy-two".