12233806866 has 32 divisors (see below), whose sum is σ = 28785430080. Its totient is φ = 3838056768.

The previous prime is 12233806847. The next prime is 12233806877. The reversal of 12233806866 is 66860833221.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6662376 + ... + 6664211.

It is an arithmetic number, because the mean of its divisors is an integer number (899544690).

Almost surely, 2^12233806866 is an apocalyptic number.

12233806866 is an abundant number, since it is smaller than the sum of its proper divisors (16551623214).

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

12233806866 is a wasteful number, since it uses less digits than its factorization.

12233806866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13326615 (or 13326609 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 12233806866 in words is "twelve billion, two hundred thirty-three million, eight hundred six thousand, eight hundred sixty-six".