12539608092 has 36 divisors (see below), whose sum is σ = 34578920376. Its totient is φ = 3799881120.

The previous prime is 12539608031. The next prime is 12539608121. The reversal of 12539608092 is 29080693521.

12539608092 is a `hidden beast` number, since 1 + 2 + 5 + 39 + 608 + 0 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12539608092² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15832443 + ... + 15833234.

It is an arithmetic number, because the mean of its divisors is an integer number (960525566).

Almost surely, 2^12539608092 is an apocalyptic number.

12539608092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12539608092 is an abundant number, since it is smaller than the sum of its proper divisors (22039312284).

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

12539608092 is a wasteful number, since it uses less digits than its factorization.

12539608092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31665698 (or 31665693 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 12539608092 in words is "twelve billion, five hundred thirty-nine million, six hundred eight thousand, ninety-two".