120112222122 has 24 divisors (see below), whose sum is σ = 262819816740. Its totient is φ = 39640996800.

The previous prime is 120112222103. The next prime is 120112222151. The reversal of 120112222122 is 221222211021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 81555365241 + 38556856881 = 285579^2 + 196359^2 .

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 = 120112222095 and 120112222104.

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, 33032347 + ... + 33035982.

Almost surely, 2^120112222122 is an apocalyptic number.

120112222122 is an abundant number, since it is smaller than the sum of its proper divisors (142707594618).

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

120112222122 is a wasteful number, since it uses less digits than its factorization.

120112222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66068438 (or 66068435 counting only the distinct ones).

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

Adding to 120112222122 its reverse (221222211021), we get a palindrome (341334433143).

The spelling of 120112222122 in words is "one hundred twenty billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty-two".