21310023034412 has 24 divisors (see below), whose sum is σ = 42691198099200. Its totient is φ = 9117620151120.

The previous prime is 21310023034403. The next prime is 21310023034459. The reversal of 21310023034412 is 21443032001312.

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 7 ways as a sum of consecutive naturals, for example, 635268914 + ... + 635302457.

It is an arithmetic number, because the mean of its divisors is an integer number (1778799920800).

Almost surely, 2^{21310023034412} is an apocalyptic number.

It is an amenable number.

21310023034412 is an abundant number, since it is smaller than the sum of its proper divisors (21381175064788).

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

21310023034412 is a wasteful number, since it uses less digits than its factorization.

21310023034412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270571981 (or 1270571979 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21310023034412 its reverse (21443032001312), we get a palindrome (42753055035724).

The spelling of 21310023034412 in words is "twenty-one trillion, three hundred ten billion, twenty-three million, thirty-four thousand, four hundred twelve".