122311112040512 has 56 divisors (see below), whose sum is σ = 255771332430912. Its totient is φ = 57917444288000.

The previous prime is 122311112040511. The next prime is 122311112040529. The reversal of 122311112040512 is 215040211113221.

It is not an unprimeable number, because it can be changed into a prime (122311112040511) 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, 411196814 + ... + 411494157.

Almost surely, 2^{122311112040512} is an apocalyptic number.

It is an amenable number.

122311112040512 is an abundant number, since it is smaller than the sum of its proper divisors (133460220390400).

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

122311112040512 is a wasteful number, since it uses less digits than its factorization.

122311112040512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822691107 (or 822691097 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 122311112040512 its reverse (215040211113221), we get a palindrome (337351323153733).

The spelling of 122311112040512 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred twelve million, forty thousand, five hundred twelve".