12236011686 has 24 divisors (see below), whose sum is σ = 27192943560. Its totient is φ = 4078399608.

The previous prime is 12236011651. The next prime is 12236011687. The reversal of 12236011686 is 68611063221.

It is a happy number.

12236011686 is a `hidden beast` number, since 12 + 23 + 601 + 16 + 8 + 6 = 666.

12236011686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12236011686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12236011687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 805336 + ... + 820388.

It is an arithmetic number, because the mean of its divisors is an integer number (1133039315).

Almost surely, 2^12236011686 is an apocalyptic number.

12236011686 is an abundant number, since it is smaller than the sum of its proper divisors (14956931874).

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

12236011686 is an frugal number, since it uses more digits than its factorization.

12236011686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30117 (or 15058 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 12236011686 in words is "twelve billion, two hundred thirty-six million, eleven thousand, six hundred eighty-six".