12131011302 has 16 divisors (see below), whose sum is σ = 25316893440. Its totient is φ = 3867858632.

The previous prime is 12131011297. The next prime is 12131011303. The reversal of 12131011302 is 20311013121.

It is a happy number.

12131011302 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12131011302² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131011303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43952802 + ... + 43953077.

It is an arithmetic number, because the mean of its divisors is an integer number (1582305840).

Almost surely, 2^12131011302 is an apocalyptic number.

12131011302 is an abundant number, since it is smaller than the sum of its proper divisors (13185882138).

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

12131011302 is a wasteful number, since it uses less digits than its factorization.

12131011302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87905907.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12131011302 its reverse (20311013121), we get a palindrome (32442024423).

The spelling of 12131011302 in words is "twelve billion, one hundred thirty-one million, eleven thousand, three hundred two".