22212012133122 has 32 divisors (see below), whose sum is σ = 50932518951552. Its totient is φ = 6326013492864.

The previous prime is 22212012133093. The next prime is 22212012133123. The reversal of 22212012133122 is 22133121021222.

It is a junction number, because it is equal to n+sod(n) for n = 22212012133092 and 22212012133101.

It is not an unprimeable number, because it can be changed into a prime (22212012133123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844807033 + ... + 844833324.

It is an arithmetic number, because the mean of its divisors is an integer number (1591641217236).

Almost surely, 2^{22212012133122} is an apocalyptic number.

22212012133122 is an abundant number, since it is smaller than the sum of its proper divisors (28720506818430).

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

22212012133122 is a wasteful number, since it uses less digits than its factorization.

22212012133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689640682.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 22212012133122 its reverse (22133121021222), we get a palindrome (44345133154344).

The spelling of 22212012133122 in words is "twenty-two trillion, two hundred twelve billion, twelve million, one hundred thirty-three thousand, one hundred twenty-two".