122120002112 has 28 divisors (see below), whose sum is σ = 256586697900. Its totient is φ = 57468235776.

The previous prime is 122120002091. The next prime is 122120002187. The reversal of 122120002112 is 211200021221.

It can be written as a sum of positive squares in 2 ways, for example, as 42875500096 + 79244502016 = 207064^2 + 281504^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56120237 + ... + 56122412.

Almost surely, 2^122120002112 is an apocalyptic number.

It is an amenable number.

122120002112 is an abundant number, since it is smaller than the sum of its proper divisors (134466695788).

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

122120002112 is a wasteful number, since it uses less digits than its factorization.

122120002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112242678 (or 112242668 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122120002112 its reverse (211200021221), we get a palindrome (333320023333).

The spelling of 122120002112 in words is "one hundred twenty-two billion, one hundred twenty million, two thousand, one hundred twelve".