122519806651968 has 112 divisors (see below), whose sum is σ = 354457220106240. Its totient is φ = 37041071833600.

The previous prime is 122519806651951. The next prime is 122519806652011. The reversal of 122519806651968 is 869156608915221.

It is a super-2 number, since 2×122519806651968² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66388188 + ... + 68208731.

Almost surely, 2^{122519806651968} is an apocalyptic number.

It is an amenable number.

122519806651968 is an abundant number, since it is smaller than the sum of its proper divisors (231937413454272).

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

122519806651968 is a wasteful number, since it uses less digits than its factorization.

122519806651968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134597376 (or 134597366 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 69.

The spelling of 122519806651968 in words is "one hundred twenty-two trillion, five hundred nineteen billion, eight hundred six million, six hundred fifty-one thousand, nine hundred sixty-eight".