12033751806 has 24 divisors (see below), whose sum is σ = 26260710840. Its totient is φ = 3982391856.

The previous prime is 12033751787. The next prime is 12033751843. The reversal of 12033751806 is 60815733021.

12033751806 is a `hidden beast` number, since 1 + 203 + 375 + 1 + 80 + 6 = 666.

It is a super-2 number, since 2×12033751806² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 2402325 + ... + 2407328.

It is an arithmetic number, because the mean of its divisors is an integer number (1094196285).

Almost surely, 2^12033751806 is an apocalyptic number.

12033751806 is an abundant number, since it is smaller than the sum of its proper divisors (14226959034).

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

12033751806 is a wasteful number, since it uses less digits than its factorization.

12033751806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809800 (or 4809797 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 12033751806 in words is "twelve billion, thirty-three million, seven hundred fifty-one thousand, eight hundred six".