12168687000 has 64 divisors (see below), whose sum is σ = 37966312800. Its totient is φ = 3244982400.

The previous prime is 12168686993. The next prime is 12168687001. The reversal of 12168687000 is 78686121.

It is a self number, because there is not a number n which added to its sum of digits gives 12168687000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12168687001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2025115 + ... + 2031114.

Almost surely, 2^12168687000 is an apocalyptic number.

12168687000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12168687000 is an abundant number, since it is smaller than the sum of its proper divisors (25797625800).

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

12168687000 is a wasteful number, since it uses less digits than its factorization.

12168687000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056253 (or 4056239 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 12168687000 in words is "twelve billion, one hundred sixty-eight million, six hundred eighty-seven thousand".