21296760312 has 32 divisors (see below), whose sum is σ = 53245619280. Its totient is φ = 7098424320.

The previous prime is 21296760307. The next prime is 21296760349. The reversal of 21296760312 is 21306769212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519112 + ... + 558632.

Almost surely, 2^21296760312 is an apocalyptic number.

It is an amenable number.

21296760312 is an abundant number, since it is smaller than the sum of its proper divisors (31948858968).

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

21296760312 is a wasteful number, since it uses less digits than its factorization.

21296760312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61983 (or 61979 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 21296760312 in words is "twenty-one billion, two hundred ninety-six million, seven hundred sixty thousand, three hundred twelve".