12118063806 has 40 divisors (see below), whose sum is σ = 27887329800. Its totient is φ = 3930180912.

The previous prime is 12118063799. The next prime is 12118063813. The reversal of 12118063806 is 60836081121.

12118063806 is a `hidden beast` number, since 1 + 2 + 1 + 18 + 0 + 638 + 0 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (12118063799) and next prime (12118063813).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1004856 + ... + 1016843.

It is an arithmetic number, because the mean of its divisors is an integer number (697183245).

Almost surely, 2^12118063806 is an apocalyptic number.

12118063806 is an abundant number, since it is smaller than the sum of its proper divisors (15769265994).

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

12118063806 is a wasteful number, since it uses less digits than its factorization.

12118063806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021750 (or 2021741 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 12118063806 in words is "twelve billion, one hundred eighteen million, sixty-three thousand, eight hundred six".