12517839172088 has 32 divisors (see below), whose sum is σ = 24145541316000. Its totient is φ = 6079592967552.

The previous prime is 12517839172061. The next prime is 12517839172117. The reversal of 12517839172088 is 88027193871521.

It is a self number, because there is not a number n which added to its sum of digits gives 12517839172088.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35123195 + ... + 35477802.

It is an arithmetic number, because the mean of its divisors is an integer number (754548166125).

Almost surely, 2^{12517839172088} is an apocalyptic number.

It is an amenable number.

12517839172088 is a deficient number, since it is larger than the sum of its proper divisors (11627702143912).

12517839172088 is a wasteful number, since it uses less digits than its factorization.

12517839172088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70601639 (or 70601635 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 62.

The spelling of 12517839172088 in words is "twelve trillion, five hundred seventeen billion, eight hundred thirty-nine million, one hundred seventy-two thousand, eighty-eight".