21323032122000 has 160 divisors (see below), whose sum is σ = 78566235081984. Its totient is φ = 4873835904000.

The previous prime is 21323032121999. The next prime is 21323032122019. The reversal of 21323032122000 is 22123032312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 31 ways as a sum of consecutive naturals, for example, 253803621 + ... + 253887620.

Almost surely, 2^{21323032122000} is an apocalyptic number.

21323032122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21323032122000 is an abundant number, since it is smaller than the sum of its proper divisors (57243202959984).

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

21323032122000 is a wasteful number, since it uses less digits than its factorization.

21323032122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507691274 (or 507691258 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21323032122000 its reverse (22123032312), we get a palindrome (21345155154312).

The spelling of 21323032122000 in words is "twenty-one trillion, three hundred twenty-three billion, thirty-two million, one hundred twenty-two thousand".