12322153952 has 96 divisors (see below), whose sum is σ = 25722930240. Its totient is φ = 5798707200.

The previous prime is 12322153939. The next prime is 12322153967. The reversal of 12322153952 is 25935122321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20502452 + ... + 20503052.

It is an arithmetic number, because the mean of its divisors is an integer number (267947190).

Almost surely, 2^12322153952 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 12322153952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12861465120).

12322153952 is an abundant number, since it is smaller than the sum of its proper divisors (13400776288).

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

12322153952 is a wasteful number, since it uses less digits than its factorization.

12322153952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1028 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The spelling of 12322153952 in words is "twelve billion, three hundred twenty-two million, one hundred fifty-three thousand, nine hundred fifty-two".