12445614624 has 24 divisors (see below), whose sum is σ = 32669738640. Its totient is φ = 4148538176.

The previous prime is 12445614589. The next prime is 12445614641. The reversal of 12445614624 is 42641654421.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×12445614624² (a number of 21 digits) contains 22 as substring.

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, 64820814 + ... + 64821005.

It is an arithmetic number, because the mean of its divisors is an integer number (1361239110).

Almost surely, 2^12445614624 is an apocalyptic number.

It is an amenable number.

12445614624 is an abundant number, since it is smaller than the sum of its proper divisors (20224124016).

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

12445614624 is a wasteful number, since it uses less digits than its factorization.

12445614624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129641832 (or 129641824 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The spelling of 12445614624 in words is "twelve billion, four hundred forty-five million, six hundred fourteen thousand, six hundred twenty-four".