12623166132621 has 32 divisors (see below), whose sum is σ = 18992874969600. Its totient is φ = 7390084610880.

The previous prime is 12623166132613. The next prime is 12623166132679.

12623166132621 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12623166132621 - 2³ = 12623166132613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12623166122621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37018711 + ... + 37358148.

It is an arithmetic number, because the mean of its divisors is an integer number (593527342800).

Almost surely, 2^{12623166132621} is an apocalyptic number.

12623166132621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12623166132621 is a deficient number, since it is larger than the sum of its proper divisors (6369708836979).

12623166132621 is a wasteful number, since it uses less digits than its factorization.

12623166132621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74377049.

The product of its digits is 186624, while the sum is 42.

It can be divided in two parts, 1262316 and 6132621, that added together give a palindrome (7394937).

The spelling of 12623166132621 in words is "twelve trillion, six hundred twenty-three billion, one hundred sixty-six million, one hundred thirty-two thousand, six hundred twenty-one".