12131302204 has 120 divisors (see below), whose sum is σ = 26638854480. Its totient is φ = 4815917568.

The previous prime is 12131302193. The next prime is 12131302213. The reversal of 12131302204 is 40220313121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10938402 + ... + 10939510.

It is an arithmetic number, because the mean of its divisors is an integer number (221990454).

Almost surely, 2^12131302204 is an apocalyptic number.

12131302204 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 12131302204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13319427240).

12131302204 is an abundant number, since it is smaller than the sum of its proper divisors (14507552276).

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

12131302204 is a wasteful number, since it uses less digits than its factorization.

12131302204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12131302204 its reverse (40220313121), we get a palindrome (52351615325).

The spelling of 12131302204 in words is "twelve billion, one hundred thirty-one million, three hundred two thousand, two hundred four".