12322311232 has 112 divisors (see below), whose sum is σ = 30904232832. Its totient is φ = 4734996480.

The previous prime is 12322311187. The next prime is 12322311233. The reversal of 12322311232 is 23211322321.

12322311232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12322311233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342618 + ... + 376870.

Almost surely, 2^12322311232 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 12322311232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15452116416).

12322311232 is an abundant number, since it is smaller than the sum of its proper divisors (18581921600).

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

12322311232 is a wasteful number, since it uses less digits than its factorization.

12322311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34356 (or 34346 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 12322311232 its reverse (23211322321), we get a palindrome (35533633553).

The spelling of 12322311232 in words is "twelve billion, three hundred twenty-two million, three hundred eleven thousand, two hundred thirty-two".