12456205224 has 16 divisors (see below), whose sum is σ = 31140513120. Its totient is φ = 4152068400.

The previous prime is 12456205219. The next prime is 12456205249. The reversal of 12456205224 is 42250265421.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259504252 + ... + 259504299.

It is an arithmetic number, because the mean of its divisors is an integer number (1946282070).

Almost surely, 2^12456205224 is an apocalyptic number.

It is an amenable number.

12456205224 is an abundant number, since it is smaller than the sum of its proper divisors (18684307896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12456205224 is a wasteful number, since it uses less digits than its factorization.

12456205224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519008560 (or 519008556 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 12456205224 in words is "twelve billion, four hundred fifty-six million, two hundred five thousand, two hundred twenty-four".