12256922184 has 64 divisors (see below), whose sum is σ = 33053408640. Its totient is φ = 3765189120.

The previous prime is 12256922177. The next prime is 12256922189. The reversal of 12256922184 is 48122965221.

It is not an unprimeable number, because it can be changed into a prime (12256922189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160669 + ... + 224339.

It is an arithmetic number, because the mean of its divisors is an integer number (516459510).

Almost surely, 2^12256922184 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 12256922184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16526704320).

12256922184 is an abundant number, since it is smaller than the sum of its proper divisors (20796486456).

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

12256922184 is a wasteful number, since it uses less digits than its factorization.

12256922184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64310 (or 64306 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The spelling of 12256922184 in words is "twelve billion, two hundred fifty-six million, nine hundred twenty-two thousand, one hundred eighty-four".