112222012122 has 48 divisors (see below), whose sum is σ = 265559793408. Its totient is φ = 33967213440.

The previous prime is 112222012109. The next prime is 112222012181. The reversal of 112222012122 is 221210222211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112222012095 and 112222012104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157503 + ... + 499250.

It is an arithmetic number, because the mean of its divisors is an integer number (5532495696).

Almost surely, 2^112222012122 is an apocalyptic number.

112222012122 is an abundant number, since it is smaller than the sum of its proper divisors (153337781286).

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

112222012122 is a wasteful number, since it uses less digits than its factorization.

112222012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657635 (or 657632 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112222012122 its reverse (221210222211), we get a palindrome (333432234333).

The spelling of 112222012122 in words is "one hundred twelve billion, two hundred twenty-two million, twelve thousand, one hundred twenty-two".