12139364916852 has 24 divisors (see below), whose sum is σ = 28399921452000. Its totient is φ = 4035778308576.

The previous prime is 12139364916821. The next prime is 12139364916911. The reversal of 12139364916852 is 25861946393121.

It is a happy number.

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, 1334578227 + ... + 1334587322.

It is an arithmetic number, because the mean of its divisors is an integer number (1183330060500).

Almost surely, 2^{12139364916852} is an apocalyptic number.

12139364916852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12139364916852 is an abundant number, since it is smaller than the sum of its proper divisors (16260556535148).

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

12139364916852 is a wasteful number, since it uses less digits than its factorization.

12139364916852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669165935 (or 2669165933 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 60.

The spelling of 12139364916852 in words is "twelve trillion, one hundred thirty-nine billion, three hundred sixty-four million, nine hundred sixteen thousand, eight hundred fifty-two".