122556662636 has 12 divisors (see below), whose sum is σ = 214607136912. Its totient is φ = 61240337808.

The previous prime is 122556662629. The next prime is 122556662639. The reversal of 122556662636 is 636266655221.

It is not an unprimeable number, because it can be changed into a prime (122556662639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9491120 + ... + 9504023.

It is an arithmetic number, because the mean of its divisors is an integer number (17883928076).

Almost surely, 2^122556662636 is an apocalyptic number.

It is an amenable number.

122556662636 is a deficient number, since it is larger than the sum of its proper divisors (92050474276).

122556662636 is a wasteful number, since it uses less digits than its factorization.

122556662636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18996760 (or 18996758 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 50.

The spelling of 122556662636 in words is "one hundred twenty-two billion, five hundred fifty-six million, six hundred sixty-two thousand, six hundred thirty-six".