12361355685812 has 24 divisors (see below), whose sum is σ = 24724728099456. Its totient is φ = 5297291709408.

The previous prime is 12361355685713. The next prime is 12361355685821. The reversal of 12361355685812 is 21858655316321.

It is a super-2 number, since 2×12361355685812² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17657003 + ... + 18343730.

It is an arithmetic number, because the mean of its divisors is an integer number (1030197004144).

Almost surely, 2^{12361355685812} is an apocalyptic number.

It is an amenable number.

12361355685812 is an abundant number, since it is smaller than the sum of its proper divisors (12363372413644).

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

12361355685812 is a wasteful number, since it uses less digits than its factorization.

12361355685812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36013007 (or 36013005 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 56.

The spelling of 12361355685812 in words is "twelve trillion, three hundred sixty-one billion, three hundred fifty-five million, six hundred eighty-five thousand, eight hundred twelve".