21233013130312 has 96 divisors (see below), whose sum is σ = 41640516945720. Its totient is φ = 10143878384640.

The previous prime is 21233013130309. The next prime is 21233013130331. The reversal of 21233013130312 is 21303131033212.

It can be written as a sum of positive squares in 4 ways, for example, as 18560880198756 + 2672132931556 = 4308234^2 + 1634666^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254682138 + ... + 254765494.

Almost surely, 2^{21233013130312} is an apocalyptic number.

It is an amenable number.

21233013130312 is a deficient number, since it is larger than the sum of its proper divisors (20407503815408).

21233013130312 is a wasteful number, since it uses less digits than its factorization.

21233013130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83711 (or 83640 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 21233013130312 its reverse (21303131033212), we get a palindrome (42536144163524).

The spelling of 21233013130312 in words is "twenty-one trillion, two hundred thirty-three billion, thirteen million, one hundred thirty thousand, three hundred twelve".