108120012534 has 24 divisors (see below), whose sum is σ = 234801060312. Its totient is φ = 35956768320.

The previous prime is 108120012527. The next prime is 108120012617. The reversal of 108120012534 is 435210021801.

108120012534 is a `hidden beast` number, since 1 + 0 + 8 + 120 + 0 + 1 + 2 + 534 = 666.

It is a super-2 number, since 2×108120012534² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108120012498 and 108120012507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6928312 + ... + 6943899.

It is an arithmetic number, because the mean of its divisors is an integer number (9783377513).

Almost surely, 2^108120012534 is an apocalyptic number.

108120012534 is an abundant number, since it is smaller than the sum of its proper divisors (126681047778).

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

108120012534 is a wasteful number, since it uses less digits than its factorization.

108120012534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13872652 (or 13872649 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 108120012534 in words is "one hundred eight billion, one hundred twenty million, twelve thousand, five hundred thirty-four".