22012012122 has 16 divisors (see below), whose sum is σ = 44026152480. Its totient is φ = 7336982672.

The previous prime is 22012012081. The next prime is 22012012147. The reversal of 22012012122 is 22121021022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66733 + ... + 220175.

It is an arithmetic number, because the mean of its divisors is an integer number (2751634530).

Almost surely, 2^22012012122 is an apocalyptic number.

22012012122 is an abundant number, since it is smaller than the sum of its proper divisors (22014140358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22012012122 is a wasteful number, since it uses less digits than its factorization.

22012012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177357.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22012012122 its reverse (22121021022), we get a palindrome (44133033144).

The spelling of 22012012122 in words is "twenty-two billion, twelve million, twelve thousand, one hundred twenty-two".