18772262015122 has 48 divisors (see below), whose sum is σ = 35373277074240. Its totient is φ = 7313713181280.

The previous prime is 18772262015063. The next prime is 18772262015137. The reversal of 18772262015122 is 22151026227781.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110477404 + ... + 110647192.

It is an arithmetic number, because the mean of its divisors is an integer number (736943272380).

Almost surely, 2^{18772262015122} is an apocalyptic number.

18772262015122 is a deficient number, since it is larger than the sum of its proper divisors (16601015059118).

18772262015122 is a wasteful number, since it uses less digits than its factorization.

18772262015122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235087 (or 235076 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 18772262015122 in words is "eighteen trillion, seven hundred seventy-two billion, two hundred sixty-two million, fifteen thousand, one hundred twenty-two".