122100112012 has 12 divisors (see below), whose sum is σ = 214616498040. Its totient is φ = 60781112576.

The previous prime is 122100112009. The next prime is 122100112067. The reversal of 122100112012 is 210211001221.

It is a junction number, because it is equal to n+sod(n) for n = 122100111983 and 122100112001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67234837 + ... + 67236652.

It is an arithmetic number, because the mean of its divisors is an integer number (17884708170).

Almost surely, 2^122100112012 is an apocalyptic number.

It is an amenable number.

122100112012 is a deficient number, since it is larger than the sum of its proper divisors (92516386028).

122100112012 is a wasteful number, since it uses less digits than its factorization.

122100112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134471720 (or 134471718 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122100112012 its reverse (210211001221), we get a palindrome (332311113233).

The spelling of 122100112012 in words is "one hundred twenty-two billion, one hundred million, one hundred twelve thousand, twelve".