12724758168 has 32 divisors (see below), whose sum is σ = 31948441200. Its totient is φ = 4223379968.

The previous prime is 12724758161. The next prime is 12724758191. The reversal of 12724758168 is 86185742721.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12724758168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12724758161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132173 + ... + 1143356.

Almost surely, 2^12724758168 is an apocalyptic number.

It is an amenable number.

12724758168 is an abundant number, since it is smaller than the sum of its proper divisors (19223683032).

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

12724758168 is a wasteful number, since it uses less digits than its factorization.

12724758168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275771 (or 2275767 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 51.

The spelling of 12724758168 in words is "twelve billion, seven hundred twenty-four million, seven hundred fifty-eight thousand, one hundred sixty-eight".