21023200132000 has 96 divisors (see below), whose sum is σ = 56349821271744. Its totient is φ = 7644800032000.

The previous prime is 21023200131979. The next prime is 21023200132003. The reversal of 21023200132000 is 23100232012.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (21023200132003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238856002 + ... + 238944001.

It is an arithmetic number, because the mean of its divisors is an integer number (586977304914).

Almost surely, 2^{21023200132000} is an apocalyptic number.

21023200132000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21023200132000 is an abundant number, since it is smaller than the sum of its proper divisors (35326621139744).

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

21023200132000 is a wasteful number, since it uses less digits than its factorization.

21023200132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477800039 (or 477800021 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21023200132000 its reverse (23100232012), we get a palindrome (21046300364012).

The spelling of 21023200132000 in words is "twenty-one trillion, twenty-three billion, two hundred million, one hundred thirty-two thousand".