21132130323000 has 128 divisors (see below), whose sum is σ = 65936309886720. Its totient is φ = 5634887465600.

The previous prime is 21132130322993. The next prime is 21132130323053. The reversal of 21132130323000 is 32303123112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50440387 + ... + 50857613.

It is an arithmetic number, because the mean of its divisors is an integer number (515127420990).

Almost surely, 2^{21132130323000} is an apocalyptic number.

21132130323000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21132130323000 is an abundant number, since it is smaller than the sum of its proper divisors (44804179563720).

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

21132130323000 is a wasteful number, since it uses less digits than its factorization.

21132130323000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434134 (or 434120 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 21132130323000 its reverse (32303123112), we get a palindrome (21164433446112).

The spelling of 21132130323000 in words is "twenty-one trillion, one hundred thirty-two billion, one hundred thirty million, three hundred twenty-three thousand".