12132320313 has 12 divisors (see below), whose sum is σ = 16625449680. Its totient is φ = 7869610512.

The previous prime is 12132320311. The next prime is 12132320327. The reversal of 12132320313 is 31302323121.

It is not a de Polignac number, because 12132320313 - 2¹ = 12132320311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12132320313.

It is not an unprimeable number, because it can be changed into a prime (12132320311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1472923 + ... + 1481136.

It is an arithmetic number, because the mean of its divisors is an integer number (1385454140).

Almost surely, 2^12132320313 is an apocalyptic number.

It is an amenable number.

12132320313 is a deficient number, since it is larger than the sum of its proper divisors (4493129367).

12132320313 is an equidigital number, since it uses as much as digits as its factorization.

12132320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954136 (or 2954099 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12132320313 its reverse (31302323121), we get a palindrome (43434643434).

The spelling of 12132320313 in words is "twelve billion, one hundred thirty-two million, three hundred twenty thousand, three hundred thirteen".