13349018123172 has 96 divisors (see below), whose sum is σ = 34687679846400. Its totient is φ = 4439510532000.

The previous prime is 13349018123171. The next prime is 13349018123227. The reversal of 13349018123172 is 27132181094331.

13349018123172 is a `hidden beast` number, since 1 + 3 + 349 + 0 + 1 + 8 + 1 + 231 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (13349018123171) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 100947297 + ... + 101079447.

It is an arithmetic number, because the mean of its divisors is an integer number (361329998400).

Almost surely, 2^{13349018123172} is an apocalyptic number.

13349018123172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13349018123172 is an abundant number, since it is smaller than the sum of its proper divisors (21338661723228).

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

13349018123172 is a wasteful number, since it uses less digits than its factorization.

13349018123172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134294 (or 134286 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 13349018123172 in words is "thirteen trillion, three hundred forty-nine billion, eighteen million, one hundred twenty-three thousand, one hundred seventy-two".