12122110100112 has 40 divisors (see below), whose sum is σ = 31756513792320. Its totient is φ = 3983792050560.

The previous prime is 12122110100053. The next prime is 12122110100161. The reversal of 12122110100112 is 21100101122121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12122110100091 and 12122110100100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1778475187 + ... + 1778482002.

It is an arithmetic number, because the mean of its divisors is an integer number (793912844808).

Almost surely, 2^{12122110100112} is an apocalyptic number.

12122110100112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122110100112 is an abundant number, since it is smaller than the sum of its proper divisors (19634403692208).

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

12122110100112 is a wasteful number, since it uses less digits than its factorization.

12122110100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556957271 (or 3556957265 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12122110100112 its reverse (21100101122121), we get a palindrome (33222211222233).

The spelling of 12122110100112 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, one hundred thousand, one hundred twelve".