12321332113 has 4 divisors (see below), whose sum is σ = 12321563940. Its totient is φ = 12321100288.

The previous prime is 12321332053. The next prime is 12321332143. The reversal of 12321332113 is 31123312321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6454997649 + 5866334464 = 80343^2 + 76592^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321332113 - 2⁹ = 12321331601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321332143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7881 + ... + 157177.

It is an arithmetic number, because the mean of its divisors is an integer number (3080390985).

Almost surely, 2^12321332113 is an apocalyptic number.

It is an amenable number.

12321332113 is a deficient number, since it is larger than the sum of its proper divisors (231827).

12321332113 is an equidigital number, since it uses as much as digits as its factorization.

12321332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231826.

The product of its digits is 648, while the sum is 22.

Adding to 12321332113 its reverse (31123312321), we get a palindrome (43444644434).

The spelling of 12321332113 in words is "twelve billion, three hundred twenty-one million, three hundred thirty-two thousand, one hundred thirteen".