12107731112 has 16 divisors (see below), whose sum is σ = 23315563860. Its totient is φ = 5890247424.

The previous prime is 12107731049. The next prime is 12107731123. The reversal of 12107731112 is 21113770121.

It can be written as a sum of positive squares in 2 ways, for example, as 10013204356 + 2094526756 = 100066^2 + 45766^2 .

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, 20451953 + ... + 20452544.

Almost surely, 2^12107731112 is an apocalyptic number.

It is an amenable number.

12107731112 is a deficient number, since it is larger than the sum of its proper divisors (11207832748).

12107731112 is a wasteful number, since it uses less digits than its factorization.

12107731112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40904540 (or 40904536 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 26.

The spelling of 12107731112 in words is "twelve billion, one hundred seven million, seven hundred thirty-one thousand, one hundred twelve".