111112012012 has 48 divisors (see below), whose sum is σ = 210161774592. Its totient is φ = 51250415040.

The previous prime is 111112012007. The next prime is 111112012139. The reversal of 111112012012 is 210210211111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111112011983 and 111112012001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769153 + ... + 902119.

It is an arithmetic number, because the mean of its divisors is an integer number (4378370304).

Almost surely, 2^111112012012 is an apocalyptic number.

It is an amenable number.

111112012012 is a deficient number, since it is larger than the sum of its proper divisors (99049762580).

111112012012 is a wasteful number, since it uses less digits than its factorization.

111112012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133318 (or 133316 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111112012012 its reverse (210210211111), we get a palindrome (321322223123).

The spelling of 111112012012 in words is "one hundred eleven billion, one hundred twelve million, twelve thousand, twelve".