12167864320 has 56 divisors (see below), whose sum is σ = 29201190264. Its totient is φ = 4867129344.

The previous prime is 12167864299. The next prime is 12167864323. The reversal of 12167864320 is 2346876121.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12167864323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107574 + ... + 189493.

Almost surely, 2^12167864320 is an apocalyptic number.

12167864320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12167864320 is an abundant number, since it is smaller than the sum of its proper divisors (17033325944).

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

12167864320 is an frugal number, since it uses more digits than its factorization.

12167864320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297098 (or 297074 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 12167864320 in words is "twelve billion, one hundred sixty-seven million, eight hundred sixty-four thousand, three hundred twenty".