12640929248 has 24 divisors (see below), whose sum is σ = 25744997880. Its totient is φ = 6102517120.

The previous prime is 12640929157. The next prime is 12640929281. The reversal of 12640929248 is 84292904621.

12640929248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6809918 + ... + 6811773.

It is an arithmetic number, because the mean of its divisors is an integer number (1072708245).

Almost surely, 2^12640929248 is an apocalyptic number.

It is an amenable number.

12640929248 is an abundant number, since it is smaller than the sum of its proper divisors (13104068632).

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

12640929248 is a wasteful number, since it uses less digits than its factorization.

12640929248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13621730 (or 13621722 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 12640929248 in words is "twelve billion, six hundred forty million, nine hundred twenty-nine thousand, two hundred forty-eight".