12117325246866 has 40 divisors (see below), whose sum is σ = 31030610688000. Its totient is φ = 3462092927352.

The previous prime is 12117325246853. The next prime is 12117325246987. The reversal of 12117325246866 is 66864252371121.

12117325246866 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 7 + 32 + 524 + 6 + 86 + 6 = 666.

It is a super-2 number, since 2×12117325246866² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 5342734866 + ... + 5342737133.

It is an arithmetic number, because the mean of its divisors is an integer number (775765267200).

Almost surely, 2^{12117325246866} is an apocalyptic number.

12117325246866 is an abundant number, since it is smaller than the sum of its proper divisors (18913285441134).

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

12117325246866 is a wasteful number, since it uses less digits than its factorization.

12117325246866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10685472020 (or 10685472011 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 12117325246866 in words is "twelve trillion, one hundred seventeen billion, three hundred twenty-five million, two hundred forty-six thousand, eight hundred sixty-six".