21000333130012 has 48 divisors (see below), whose sum is σ = 37138152667392. Its totient is φ = 10390031354880.

The previous prime is 21000333130009. The next prime is 21000333130069. The reversal of 21000333130012 is 21003133300012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703820358 + ... + 703850194.

It is an arithmetic number, because the mean of its divisors is an integer number (773711513904).

Almost surely, 2^{21000333130012} is an apocalyptic number.

It is an amenable number.

21000333130012 is a deficient number, since it is larger than the sum of its proper divisors (16137819537380).

21000333130012 is a wasteful number, since it uses less digits than its factorization.

21000333130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34798 (or 34796 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21000333130012 its reverse (21003133300012), we get a palindrome (42003466430024).

The spelling of 21000333130012 in words is "twenty-one trillion, three hundred thirty-three million, one hundred thirty thousand, twelve".