12562638332 has 6 divisors (see below), whose sum is σ = 21984617088. Its totient is φ = 6281319164.

The previous prime is 12562638317. The next prime is 12562638349. The reversal of 12562638332 is 23383626521.

It is a self number, because there is not a number n which added to its sum of digits gives 12562638332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1570329788 + ... + 1570329795.

It is an arithmetic number, because the mean of its divisors is an integer number (3664102848).

Almost surely, 2^12562638332 is an apocalyptic number.

It is an amenable number.

12562638332 is a deficient number, since it is larger than the sum of its proper divisors (9421978756).

12562638332 is a wasteful number, since it uses less digits than its factorization.

12562638332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140659587 (or 3140659585 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The spelling of 12562638332 in words is "twelve billion, five hundred sixty-two million, six hundred thirty-eight thousand, three hundred thirty-two".