21023322332012 has 96 divisors (see below), whose sum is σ = 49724593572864. Its totient is φ = 7510763232000.

The previous prime is 21023322332011. The next prime is 21023322332017.

21023322332012 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (21023322332011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16781423 + ... + 17990630.

It is an arithmetic number, because the mean of its divisors is an integer number (517964516384).

Almost surely, 2^{21023322332012} is an apocalyptic number.

21023322332012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21023322332012 is an abundant number, since it is smaller than the sum of its proper divisors (28701271240852).

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

21023322332012 is a wasteful number, since it uses less digits than its factorization.

21023322332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34772239 (or 34772237 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 2102332 and 2332012, that added together give a palindrome (4434344).

The spelling of 21023322332012 in words is "twenty-one trillion, twenty-three billion, three hundred twenty-two million, three hundred thirty-two thousand, twelve".