21132232716374 has 16 divisors (see below), whose sum is σ = 35933351178480. Its totient is φ = 9240004588320.

The previous prime is 21132232716373. The next prime is 21132232716401. The reversal of 21132232716374 is 47361723223112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132232716373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21388899017 + ... + 21388900004.

It is an arithmetic number, because the mean of its divisors is an integer number (2245834448655).

Almost surely, 2^{21132232716374} is an apocalyptic number.

21132232716374 is a deficient number, since it is larger than the sum of its proper divisors (14801118462106).

21132232716374 is a wasteful number, since it uses less digits than its factorization.

21132232716374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42777799055.

The product of its digits is 508032, while the sum is 44.

Adding to 21132232716374 its reverse (47361723223112), we get a palindrome (68493955939486).

The spelling of 21132232716374 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred thirty-two million, seven hundred sixteen thousand, three hundred seventy-four".