111143010012012 has 36 divisors (see below), whose sum is σ = 306485270034216. Its totient is φ = 33679700003520.

The previous prime is 111143010011977. The next prime is 111143010012037. The reversal of 111143010012012 is 210210010341111.

111143010012012 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 430 + 100 + 120 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140332082953 + ... + 140332083744.

Almost surely, 2^{111143010012012} is an apocalyptic number.

111143010012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111143010012012 is an abundant number, since it is smaller than the sum of its proper divisors (195342260022204).

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

111143010012012 is a wasteful number, since it uses less digits than its factorization.

111143010012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280664166718 (or 280664166713 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111143010012012 its reverse (210210010341111), we get a palindrome (321353020353123).

The spelling of 111143010012012 in words is "one hundred eleven trillion, one hundred forty-three billion, ten million, twelve thousand, twelve".