21023332012 has 24 divisors (see below), whose sum is σ = 37051056000. Its totient is φ = 10437367296.

The previous prime is 21023332003. The next prime is 21023332019.

21023332012 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (21023332019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2456613 + ... + 2465155.

It is an arithmetic number, because the mean of its divisors is an integer number (1543794000).

Almost surely, 2^21023332012 is an apocalyptic number.

It is an amenable number.

21023332012 is a deficient number, since it is larger than the sum of its proper divisors (16027723988).

21023332012 is a wasteful number, since it uses less digits than its factorization.

21023332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12825 (or 12823 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The spelling of 21023332012 in words is "twenty-one billion, twenty-three million, three hundred thirty-two thousand, twelve".