12047443056 has 120 divisors (see below), whose sum is σ = 38380507776. Its totient is φ = 3492001920.

The previous prime is 12047443043. The next prime is 12047443097. The reversal of 12047443056 is 65034474021.

12047443056 is a `hidden beast` number, since 1 + 204 + 7 + 443 + 0 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12047443056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128910 + ... + 201773.

Almost surely, 2^12047443056 is an apocalyptic number.

12047443056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12047443056 is an abundant number, since it is smaller than the sum of its proper divisors (26333064720).

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

12047443056 is a wasteful number, since it uses less digits than its factorization.

12047443056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330731 (or 330722 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 12047443056 in words is "twelve billion, forty-seven million, four hundred forty-three thousand, fifty-six".