12131332304 has 80 divisors (see below), whose sum is σ = 28950980352. Its totient is φ = 4795490304.

The previous prime is 12131332303. The next prime is 12131332309. The reversal of 12131332304 is 40323313121.

It is a self number, because there is not a number n which added to its sum of digits gives 12131332304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131332303) 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, 2593712 + ... + 2598384.

Almost surely, 2^12131332304 is an apocalyptic number.

12131332304 is a gapful number since it is divisible by the number (14) 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 12131332304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14475490176).

12131332304 is an abundant number, since it is smaller than the sum of its proper divisors (16819648048).

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

12131332304 is a wasteful number, since it uses less digits than its factorization.

12131332304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6484 (or 6478 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 12131332304 its reverse (40323313121), we get a palindrome (52454645425).

The spelling of 12131332304 in words is "twelve billion, one hundred thirty-one million, three hundred thirty-two thousand, three hundred four".