12622111122621 has 64 divisors (see below), whose sum is σ = 22758790440960. Its totient is φ = 6009016976640.

The previous prime is 12622111122547. The next prime is 12622111122629.

12622111122621 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12622111122621 - 2⁷ = 12622111122493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12622111122629) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14701890 + ... + 15536723.

It is an arithmetic number, because the mean of its divisors is an integer number (355606100640).

Almost surely, 2^{12622111122621} is an apocalyptic number.

12622111122621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12622111122621 is a deficient number, since it is larger than the sum of its proper divisors (10136679318339).

12622111122621 is a wasteful number, since it uses less digits than its factorization.

12622111122621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30238786.

The product of its digits is 2304, while the sum is 30.

It can be divided in two parts, 1262211 and 1122621, that added together give a palindrome (2384832).

The spelling of 12622111122621 in words is "twelve trillion, six hundred twenty-two billion, one hundred eleven million, one hundred twenty-two thousand, six hundred twenty-one".