12044621052 has 48 divisors (see below), whose sum is σ = 31234936320. Its totient is φ = 4013827056.

The previous prime is 12044621041. The next prime is 12044621087. The reversal of 12044621052 is 25012644021.

12044621052 is a `hidden beast` number, since 1 + 2 + 0 + 446 + 210 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478813 + ... + 503339.

It is an arithmetic number, because the mean of its divisors is an integer number (650727840).

Almost surely, 2^12044621052 is an apocalyptic number.

12044621052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12044621052 is an abundant number, since it is smaller than the sum of its proper divisors (19190315268).

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

12044621052 is a wasteful number, since it uses less digits than its factorization.

12044621052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29087 (or 29079 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 12044621052 in words is "twelve billion, forty-four million, six hundred twenty-one thousand, fifty-two".