21336063312 has 40 divisors (see below), whose sum is σ = 55131757056. Its totient is φ = 7110267136.

The previous prime is 21336063293. The next prime is 21336063337.

21336063312 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 21336063312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149713 + ... + 255119.

Almost surely, 2^21336063312 is an apocalyptic number.

It is an amenable number.

21336063312 is an abundant number, since it is smaller than the sum of its proper divisors (33795693744).

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

21336063312 is a wasteful number, since it uses less digits than its factorization.

21336063312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109635 (or 109629 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

It can be divided in two parts, 213360 and 63312, that added together give a palindrome (276672).

The spelling of 21336063312 in words is "twenty-one billion, three hundred thirty-six million, sixty-three thousand, three hundred twelve".