12116074856 has 16 divisors (see below), whose sum is σ = 22747193700. Its totient is φ = 6050156544.

The previous prime is 12116074853. The next prime is 12116074921. The reversal of 12116074856 is 65847061121.

It can be written as a sum of positive squares in 2 ways, for example, as 12018736900 + 97337956 = 109630^2 + 9866^2 .

It is not an unprimeable number, because it can be changed into a prime (12116074853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978575 + ... + 990878.

Almost surely, 2^12116074856 is an apocalyptic number.

It is an amenable number.

12116074856 is a deficient number, since it is larger than the sum of its proper divisors (10631118844).

12116074856 is a wasteful number, since it uses less digits than its factorization.

12116074856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970228 (or 1970224 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 12116074856 in words is "twelve billion, one hundred sixteen million, seventy-four thousand, eight hundred fifty-six".