12928489208488 has 32 divisors (see below), whose sum is σ = 28908423077760. Its totient is φ = 5299877563200.

The previous prime is 12928489208461. The next prime is 12928489208497. The reversal of 12928489208488 is 88480298482921.

It is a super-2 number, since 2×12928489208488² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12928489208488.

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, 5018822163 + ... + 5018824738.

It is an arithmetic number, because the mean of its divisors is an integer number (903388221180).

Almost surely, 2^{12928489208488} is an apocalyptic number.

It is an amenable number.

12928489208488 is an abundant number, since it is smaller than the sum of its proper divisors (15979933869272).

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

12928489208488 is a wasteful number, since it uses less digits than its factorization.

12928489208488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037646937 (or 10037646933 counting only the distinct ones).

The product of its (nonzero) digits is 339738624, while the sum is 73.

The spelling of 12928489208488 in words is "twelve trillion, nine hundred twenty-eight billion, four hundred eighty-nine million, two hundred eight thousand, four hundred eighty-eight".