12168767912 has 16 divisors (see below), whose sum is σ = 26075931360. Its totient is φ = 5215186224.

The previous prime is 12168767879. The next prime is 12168768023. The reversal of 12168767912 is 21976786121.

It is a happy number.

It is a super-2 number, since 2×12168767912² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108649658 + ... + 108649769.

It is an arithmetic number, because the mean of its divisors is an integer number (1629745710).

Almost surely, 2^12168767912 is an apocalyptic number.

It is an amenable number.

12168767912 is an abundant number, since it is smaller than the sum of its proper divisors (13907163448).

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

12168767912 is a wasteful number, since it uses less digits than its factorization.

12168767912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217299440 (or 217299436 counting only the distinct ones).

The product of its digits is 508032, while the sum is 50.

The spelling of 12168767912 in words is "twelve billion, one hundred sixty-eight million, seven hundred sixty-seven thousand, nine hundred twelve".