12052647225 has 36 divisors (see below), whose sum is σ = 22332043500. Its totient is φ = 6206417280.

The previous prime is 12052647209. The next prime is 12052647239. The reversal of 12052647225 is 52274625021.

12052647225 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 2 + 647 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 259338816 + 11793308409 = 16104^2 + 108597^2 .

It is not a de Polignac number, because 12052647225 - 2⁴ = 12052647209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12052647225.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 917050 + ... + 930099.

Almost surely, 2^12052647225 is an apocalyptic number.

12052647225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12052647225 is a deficient number, since it is larger than the sum of its proper divisors (10279396275).

12052647225 is a wasteful number, since it uses less digits than its factorization.

12052647225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847194 (or 1847186 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 12052647225 in words is "twelve billion, fifty-two million, six hundred forty-seven thousand, two hundred twenty-five".