12002112112 has 40 divisors (see below), whose sum is σ = 23481198000. Its totient is φ = 5942694912.

The previous prime is 12002112107. The next prime is 12002112137. The reversal of 12002112112 is 21121120021.

It is a junction number, because it is equal to n+sod(n) for n = 12002112092 and 12002112101.

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, 795939 + ... + 810877.

It is an arithmetic number, because the mean of its divisors is an integer number (587029950).

Almost surely, 2^12002112112 is an apocalyptic number.

It is an amenable number.

12002112112 is a deficient number, since it is larger than the sum of its proper divisors (11479085888).

12002112112 is a wasteful number, since it uses less digits than its factorization.

12002112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15433 (or 15427 counting only the distinct ones).

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

Adding to 12002112112 its reverse (21121120021), we get a palindrome (33123232133).

The spelling of 12002112112 in words is "twelve billion, two million, one hundred twelve thousand, one hundred twelve".