12984252864 has 56 divisors (see below), whose sum is σ = 37477281408. Its totient is φ = 3934621440.

The previous prime is 12984252863. The next prime is 12984252881. The reversal of 12984252864 is 46825248921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12984252863) 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, 3071812 + ... + 3076035.

It is an arithmetic number, because the mean of its divisors is an integer number (669237168).

Almost surely, 2^12984252864 is an apocalyptic number.

It is an amenable number.

12984252864 is an abundant number, since it is smaller than the sum of its proper divisors (24493028544).

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

12984252864 is a wasteful number, since it uses less digits than its factorization.

12984252864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6147873 (or 6147863 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The spelling of 12984252864 in words is "twelve billion, nine hundred eighty-four million, two hundred fifty-two thousand, eight hundred sixty-four".