122112222112112 has 60 divisors (see below), whose sum is σ = 245805093307176. Its totient is φ = 58764761422080.

The previous prime is 122112222112109. The next prime is 122112222112157. The reversal of 122112222112112 is 211211222211221.

It is a super-2 number, since 2×122112222112112² (a number of 29 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10048214 + ... + 18579317.

Almost surely, 2^{122112222112112} is an apocalyptic number.

It is an amenable number.

122112222112112 is an abundant number, since it is smaller than the sum of its proper divisors (123692871195064).

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

122112222112112 is a wasteful number, since it uses less digits than its factorization.

122112222112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28627914 (or 28627879 counting only the distinct ones).

The product of its digits is 256, while the sum is 23.

Adding to 122112222112112 its reverse (211211222211221), we get a palindrome (333323444323333).

The spelling of 122112222112112 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twelve".