12520720268 has 48 divisors (see below), whose sum is σ = 25455166464. Its totient is φ = 5277778560.

The previous prime is 12520720259. The next prime is 12520720271. The reversal of 12520720268 is 86202702521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741803 + ... + 758493.

It is an arithmetic number, because the mean of its divisors is an integer number (530315968).

Almost surely, 2^12520720268 is an apocalyptic number.

It is an amenable number.

12520720268 is an abundant number, since it is smaller than the sum of its proper divisors (12934446196).

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

12520720268 is a wasteful number, since it uses less digits than its factorization.

12520720268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17142 (or 17140 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 12520720268 in words is "twelve billion, five hundred twenty million, seven hundred twenty thousand, two hundred sixty-eight".