12122120112112 has 10 divisors (see below), whose sum is σ = 23486607717248. Its totient is φ = 6061060056048.

The previous prime is 12122120112101. The next prime is 12122120112187. The reversal of 12122120112112 is 21121102122121.

It is a happy number.

12122120112112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12122120112112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378816253488 + ... + 378816253519.

Almost surely, 2^{12122120112112} is an apocalyptic number.

It is an amenable number.

12122120112112 is a deficient number, since it is larger than the sum of its proper divisors (11364487605136).

12122120112112 is an equidigital number, since it uses as much as digits as its factorization.

12122120112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757632507015 (or 757632507009 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12122120112112 its reverse (21121102122121), we get a palindrome (33243222234233).

The spelling of 12122120112112 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, one hundred twelve".