12072651057 has 12 divisors (see below), whose sum is σ = 17767298484. Its totient is φ = 7896576480.

The previous prime is 12072651047. The next prime is 12072651083. The reversal of 12072651057 is 75015627021.

12072651057 is a `hidden beast` number, since 1 + 20 + 72 + 6 + 510 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7541880336 + 4530770721 = 86844^2 + 67311^2 .

It is not a de Polignac number, because 12072651057 - 2⁸ = 12072650801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12072651037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12654294 + ... + 12655247.

It is an arithmetic number, because the mean of its divisors is an integer number (1480608207).

Almost surely, 2^12072651057 is an apocalyptic number.

It is an amenable number.

12072651057 is a deficient number, since it is larger than the sum of its proper divisors (5694647427).

12072651057 is a wasteful number, since it uses less digits than its factorization.

12072651057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25309600 (or 25309597 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The spelling of 12072651057 in words is "twelve billion, seventy-two million, six hundred fifty-one thousand, fifty-seven".