12000120012112 has 40 divisors (see below), whose sum is σ = 24003912357632. Its totient is φ = 5805621216000.

The previous prime is 12000120012091. The next prime is 12000120012169. The reversal of 12000120012112 is 21121002100021.

It is a junction number, because it is equal to n+sod(n) for n = 12000120012092 and 12000120012101.

It is a congruent number.

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, 1399612 + ... + 5095012.

Almost surely, 2^{12000120012112} is an apocalyptic number.

It is an amenable number.

12000120012112 is an abundant number, since it is smaller than the sum of its proper divisors (12003792345520).

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

12000120012112 is a wasteful number, since it uses less digits than its factorization.

12000120012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701987 (or 3701981 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12000120012112 its reverse (21121002100021), we get a palindrome (33121122112133).

The spelling of 12000120012112 in words is "twelve trillion, one hundred twenty million, twelve thousand, one hundred twelve".