21002323300012 has 12 divisors (see below), whose sum is σ = 38021447353680. Its totient is φ = 10139052627536.

The previous prime is 21002323299977. The next prime is 21002323300027. The reversal of 21002323300012 is 21000332320012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90527255488 + ... + 90527255719.

It is an arithmetic number, because the mean of its divisors is an integer number (3168453946140).

Almost surely, 2^{21002323300012} is an apocalyptic number.

It is an amenable number.

21002323300012 is a deficient number, since it is larger than the sum of its proper divisors (17019124053668).

21002323300012 is a wasteful number, since it uses less digits than its factorization.

21002323300012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181054511240 (or 181054511238 counting only the distinct ones).

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

Adding to 21002323300012 its reverse (21000332320012), we get a palindrome (42002655620024).

The spelling of 21002323300012 in words is "twenty-one trillion, two billion, three hundred twenty-three million, three hundred thousand, twelve".