12183943268 has 192 divisors, whose sum is σ = 27913912320. Its totient is φ = 4534963200.

The previous prime is 12183943259. The next prime is 12183943273. The reversal of 12183943268 is 86234938121.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25018121 + ... + 25018607.

It is an arithmetic number, because the mean of its divisors is an integer number (145384960).

Almost surely, 2^12183943268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12183943268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13956956160).

12183943268 is an abundant number, since it is smaller than the sum of its proper divisors (15729969052).

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

12183943268 is a wasteful number, since it uses less digits than its factorization.

12183943268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 624 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The spelling of 12183943268 in words is "twelve billion, one hundred eighty-three million, nine hundred forty-three thousand, two hundred sixty-eight".