21360806312 has 16 divisors (see below), whose sum is σ = 41432598900. Its totient is φ = 10312113280.

The previous prime is 21360806309. The next prime is 21360806321.

21360806312 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 20139583396 + 1221222916 = 141914^2 + 34946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46035989 + ... + 46036452.

Almost surely, 2^21360806312 is an apocalyptic number.

It is an amenable number.

21360806312 is a deficient number, since it is larger than the sum of its proper divisors (20071792588).

21360806312 is a wasteful number, since it uses less digits than its factorization.

21360806312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92072476 (or 92072472 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 21360806312 in words is "twenty-one billion, three hundred sixty million, eight hundred six thousand, three hundred twelve".