12056748957 has 24 divisors (see below), whose sum is σ = 19194389760. Its totient is φ = 7231783680.

The previous prime is 12056748929. The next prime is 12056748967. The reversal of 12056748957 is 75984765021.

12056748957 is a `hidden beast` number, since 1 + 20 + 567 + 4 + 8 + 9 + 57 = 666.

It is not a de Polignac number, because 12056748957 - 2³¹ = 9909265309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056748917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 618157 + ... + 637362.

It is an arithmetic number, because the mean of its divisors is an integer number (799766240).

Almost surely, 2^12056748957 is an apocalyptic number.

It is an amenable number.

12056748957 is a deficient number, since it is larger than the sum of its proper divisors (7137640803).

12056748957 is a wasteful number, since it uses less digits than its factorization.

12056748957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255633 (or 1255630 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 12056748957 in words is "twelve billion, fifty-six million, seven hundred forty-eight thousand, nine hundred fifty-seven".