12632266223621 has 4 divisors (see below), whose sum is σ = 13780654062144. Its totient is φ = 11483878385100.

The previous prime is 12632266223617. The next prime is 12632266223623.

It is a happy number.

12632266223621 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12632266223621 - 2² = 12632266223617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12632266223623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574193919245 + ... + 574193919266.

It is an arithmetic number, because the mean of its divisors is an integer number (3445163515536).

Almost surely, 2^{12632266223621} is an apocalyptic number.

12632266223621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12632266223621 is a deficient number, since it is larger than the sum of its proper divisors (1148387838523).

12632266223621 is a wasteful number, since it uses less digits than its factorization.

12632266223621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148387838522.

The product of its digits is 746496, while the sum is 44.

It can be divided in two parts, 1263226 and 6223621, that added together give a palindrome (7486847).

The spelling of 12632266223621 in words is "twelve trillion, six hundred thirty-two billion, two hundred sixty-six million, two hundred twenty-three thousand, six hundred twenty-one".