21322123233132 has 24 divisors (see below), whose sum is σ = 49796482604400. Its totient is φ = 7100965592896.

The previous prime is 21322123233097. The next prime is 21322123233167. The reversal of 21322123233132 is 23133232122312.

It is an interprime number because it is at equal distance from previous prime (21322123233097) and next prime (21322123233167).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 21322123233132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801088407 + ... + 801115022.

It is an arithmetic number, because the mean of its divisors is an integer number (2074853441850).

Almost surely, 2^{21322123233132} is an apocalyptic number.

It is an amenable number.

21322123233132 is an abundant number, since it is smaller than the sum of its proper divisors (28474359371268).

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

21322123233132 is a wasteful number, since it uses less digits than its factorization.

21322123233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602204545 (or 1602204543 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

Adding to 21322123233132 its reverse (23133232122312), we get a palindrome (44455355355444).

The spelling of 21322123233132 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred twenty-three million, two hundred thirty-three thousand, one hundred thirty-two".