12056807972 has 12 divisors (see below), whose sum is σ = 23017542576. Its totient is φ = 5480367240.

The previous prime is 12056807957. The next prime is 12056808011. The reversal of 12056807972 is 27970865021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137009138 + ... + 137009225.

It is an arithmetic number, because the mean of its divisors is an integer number (1918128548).

Almost surely, 2^12056807972 is an apocalyptic number.

It is an amenable number.

12056807972 is a deficient number, since it is larger than the sum of its proper divisors (10960734604).

12056807972 is a wasteful number, since it uses less digits than its factorization.

12056807972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274018378 (or 274018376 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

It can be divided in two parts, 12056 and 807972, that added together give a palindrome (820028).

The spelling of 12056807972 in words is "twelve billion, fifty-six million, eight hundred seven thousand, nine hundred seventy-two".