12221112022122 has 64 divisors (see below), whose sum is σ = 25605209873664. Its totient is φ = 3881274862080.

The previous prime is 12221112022111. The next prime is 12221112022187. The reversal of 12221112022122 is 22122021112221.

12221112022122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123076318 + ... + 123175574.

It is an arithmetic number, because the mean of its divisors is an integer number (400081404276).

Almost surely, 2^{12221112022122} is an apocalyptic number.

12221112022122 is an abundant number, since it is smaller than the sum of its proper divisors (13384097851542).

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

12221112022122 is a wasteful number, since it uses less digits than its factorization.

12221112022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102783.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12221112022122 its reverse (22122021112221), we get a palindrome (34343133134343).

Subtracting 12221112022122 from its reverse (22122021112221), we obtain a palindrome (9900909090099).

The spelling of 12221112022122 in words is "twelve trillion, two hundred twenty-one billion, one hundred twelve million, twenty-two thousand, one hundred twenty-two".