12625250139 has 16 divisors (see below), whose sum is σ = 18705841440. Its totient is φ = 8416038240.

The previous prime is 12625250129. The next prime is 12625250189. The reversal of 12625250139 is 93105252621.

It is a happy number.

12625250139 is a `hidden beast` number, since 1 + 2 + 625 + 25 + 0 + 1 + 3 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12625250139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12625250129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461389 + ... + 487985.

It is an arithmetic number, because the mean of its divisors is an integer number (1169115090).

Almost surely, 2^12625250139 is an apocalyptic number.

12625250139 is a deficient number, since it is larger than the sum of its proper divisors (6080591301).

12625250139 is a wasteful number, since it uses less digits than its factorization.

12625250139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44187 (or 44181 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 12625250139 in words is "twelve billion, six hundred twenty-five million, two hundred fifty thousand, one hundred thirty-nine".