12011112120112 has 20 divisors (see below), whose sum is σ = 26596033980496. Its totient is φ = 5147619480000.

The previous prime is 12011112120083. The next prime is 12011112120149. The reversal of 12011112120112 is 21102121111021.

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

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, 53621036139 + ... + 53621036362.

Almost surely, 2^{12011112120112} is an apocalyptic number.

It is an amenable number.

12011112120112 is an abundant number, since it is smaller than the sum of its proper divisors (14584921860384).

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

12011112120112 is a wasteful number, since it uses less digits than its factorization.

12011112120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107242072516 (or 107242072510 counting only the distinct ones).

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

Adding to 12011112120112 its reverse (21102121111021), we get a palindrome (33113233231133).

The spelling of 12011112120112 in words is "twelve trillion, eleven billion, one hundred twelve million, one hundred twenty thousand, one hundred twelve".