21300012333300 has 72 divisors (see below), whose sum is σ = 64871616527200. Its totient is φ = 5381055745920.

The previous prime is 21300012333289. The next prime is 21300012333307. The reversal of 21300012333300 is 333321000312.

It is a super-2 number, since 2×21300012333300² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300012333307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1868416435 + ... + 1868427834.

Almost surely, 2^{21300012333300} is an apocalyptic number.

21300012333300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21300012333300 is an abundant number, since it is smaller than the sum of its proper divisors (43571604193900).

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

21300012333300 is a wasteful number, since it uses less digits than its factorization.

21300012333300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736844305 (or 3736844298 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 21300012333300 its reverse (333321000312), we get a palindrome (21633333333612).

The spelling of 21300012333300 in words is "twenty-one trillion, three hundred billion, twelve million, three hundred thirty-three thousand, three hundred".