12122200312112 has 40 divisors (see below), whose sum is σ = 25626686943312. Its totient is φ = 5509066630400.

The previous prime is 12122200312111. The next prime is 12122200312129. The reversal of 12122200312112 is 21121300222121.

It is not an unprimeable number, because it can be changed into a prime (12122200312111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5452883 + ... + 7346994.

Almost surely, 2^{12122200312112} is an apocalyptic number.

It is an amenable number.

12122200312112 is an abundant number, since it is smaller than the sum of its proper divisors (13504486631200).

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

12122200312112 is a wasteful number, since it uses less digits than its factorization.

12122200312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12805277 (or 12805271 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12122200312112 its reverse (21121300222121), we get a palindrome (33243500534233).

The spelling of 12122200312112 in words is "twelve trillion, one hundred twenty-two billion, two hundred million, three hundred twelve thousand, one hundred twelve".