12122102100112 has 80 divisors (see below), whose sum is σ = 24310891503360. Its totient is φ = 5851580313600.

The previous prime is 12122102100109. The next prime is 12122102100137. The reversal of 12122102100112 is 21100120122121.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 15 ways as a sum of consecutive naturals, for example, 46645189 + ... + 46904347.

It is an arithmetic number, because the mean of its divisors is an integer number (303886143792).

Almost surely, 2^{12122102100112} is an apocalyptic number.

It is an amenable number.

12122102100112 is an abundant number, since it is smaller than the sum of its proper divisors (12188789403248).

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

12122102100112 is a wasteful number, since it uses less digits than its factorization.

12122102100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259952 (or 259946 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12122102100112 its reverse (21100120122121), we get a palindrome (33222222222233).

The spelling of 12122102100112 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, one hundred thousand, one hundred twelve".