21333000321012 has 48 divisors (see below), whose sum is σ = 49815518681600. Its totient is φ = 7105499388000.

The previous prime is 21333000321011. The next prime is 21333000321053. The reversal of 21333000321012 is 21012300033312.

It is a self number, because there is not a number n which added to its sum of digits gives 21333000321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333000321011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95017887 + ... + 95242137.

Almost surely, 2^{21333000321012} is an apocalyptic number.

It is an amenable number.

21333000321012 is an abundant number, since it is smaller than the sum of its proper divisors (28482518360588).

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

21333000321012 is a wasteful number, since it uses less digits than its factorization.

21333000321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230356 (or 230354 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21333000321012 its reverse (21012300033312), we get a palindrome (42345300354324).

The spelling of 21333000321012 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred twenty-one thousand, twelve".