21622122122612 has 96 divisors (see below), whose sum is σ = 42290701178880. Its totient is φ = 9590082480000.

The previous prime is 21622122122611. The next prime is 21622122122639.

21622122122612 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21622122122611) 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, 1590907937 + ... + 1590921527.

It is an arithmetic number, because the mean of its divisors is an integer number (440528137280).

Almost surely, 2^{21622122122612} is an apocalyptic number.

21622122122612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21622122122612 is a deficient number, since it is larger than the sum of its proper divisors (20668579056268).

21622122122612 is a wasteful number, since it uses less digits than its factorization.

21622122122612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18733 (or 18731 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

It can be divided in two parts, 2162212 and 2122612, that added together give a palindrome (4284824).

The spelling of 21622122122612 in words is "twenty-one trillion, six hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, six hundred twelve".