12199823232 has 128 divisors (see below), whose sum is σ = 33135246720. Its totient is φ = 3975628800.

The previous prime is 12199823201. The next prime is 12199823239. The reversal of 12199823232 is 23232899121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12199823239) 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, 6735607 + ... + 6737417.

It is an arithmetic number, because the mean of its divisors is an integer number (258869115).

Almost surely, 2^12199823232 is an apocalyptic number.

12199823232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12199823232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16567623360).

12199823232 is an abundant number, since it is smaller than the sum of its proper divisors (20935423488).

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

12199823232 is a wasteful number, since it uses less digits than its factorization.

12199823232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212 (or 2200 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The spelling of 12199823232 in words is "twelve billion, one hundred ninety-nine million, eight hundred twenty-three thousand, two hundred thirty-two".