21312010296 has 48 divisors (see below), whose sum is σ = 57785568360. Its totient is φ = 7095936960.

The previous prime is 21312010277. The next prime is 21312010297. The reversal of 21312010296 is 69201021312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21312010297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104035 + ... + 231186.

Almost surely, 2^21312010296 is an apocalyptic number.

It is an amenable number.

21312010296 is an abundant number, since it is smaller than the sum of its proper divisors (36473558064).

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

21312010296 is a wasteful number, since it uses less digits than its factorization.

21312010296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336116 (or 336109 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 21312010296 in words is "twenty-one billion, three hundred twelve million, ten thousand, two hundred ninety-six".