21274372300 has 18 divisors (see below), whose sum is σ = 46165388108. Its totient is φ = 8509748880.

The previous prime is 21274372297. The next prime is 21274372331. The reversal of 21274372300 is 327347212.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106371762 + ... + 106371961.

Almost surely, 2^21274372300 is an apocalyptic number.

21274372300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21274372300 is an abundant number, since it is smaller than the sum of its proper divisors (24891015808).

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

21274372300 is a wasteful number, since it uses less digits than its factorization.

21274372300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212743737 (or 212743730 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The spelling of 21274372300 in words is "twenty-one billion, two hundred seventy-four million, three hundred seventy-two thousand, three hundred".