12321113013 has 64 divisors (see below), whose sum is σ = 20247459840. Its totient is φ = 7342473600.

The previous prime is 12321113009. The next prime is 12321113017. The reversal of 12321113013 is 31031112321.

It is an interprime number because it is at equal distance from previous prime (12321113009) and next prime (12321113017).

It is not a de Polignac number, because 12321113013 - 2² = 12321113009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321113017) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 13010206 + ... + 13011152.

It is an arithmetic number, because the mean of its divisors is an integer number (316366560).

Almost surely, 2^12321113013 is an apocalyptic number.

It is an amenable number.

12321113013 is a deficient number, since it is larger than the sum of its proper divisors (7926346827).

12321113013 is a wasteful number, since it uses less digits than its factorization.

12321113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12321113013 its reverse (31031112321), we get a palindrome (43352225334).

The spelling of 12321113013 in words is "twelve billion, three hundred twenty-one million, one hundred thirteen thousand, thirteen".