12257183516 has 24 divisors (see below), whose sum is σ = 21514768800. Its totient is φ = 6110137152.

The previous prime is 12257183509. The next prime is 12257183557. The reversal of 12257183516 is 61538175221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974185 + ... + 1980383.

It is an arithmetic number, because the mean of its divisors is an integer number (896448700).

Almost surely, 2^12257183516 is an apocalyptic number.

It is an amenable number.

12257183516 is a deficient number, since it is larger than the sum of its proper divisors (9257585284).

12257183516 is a wasteful number, since it uses less digits than its factorization.

12257183516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7613 (or 7611 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The spelling of 12257183516 in words is "twelve billion, two hundred fifty-seven million, one hundred eighty-three thousand, five hundred sixteen".