12477802025 has 12 divisors (see below), whose sum is σ = 16662665292. Its totient is φ = 9214376640.

The previous prime is 12477802009. The next prime is 12477802067. The reversal of 12477802025 is 52020877421.

It can be written as a sum of positive squares in 6 ways, for example, as 3309931024 + 9167871001 = 57532^2 + 95749^2 .

It is not a de Polignac number, because 12477802025 - 2⁴ = 12477802009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12477802025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19196294 + ... + 19196943.

It is an arithmetic number, because the mean of its divisors is an integer number (1388555441).

Almost surely, 2^12477802025 is an apocalyptic number.

It is an amenable number.

12477802025 is a deficient number, since it is larger than the sum of its proper divisors (4184863267).

12477802025 is a wasteful number, since it uses less digits than its factorization.

12477802025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38393260 (or 38393255 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The spelling of 12477802025 in words is "twelve billion, four hundred seventy-seven million, eight hundred two thousand, twenty-five".