12233320313 has 4 divisors (see below), whose sum is σ = 12233541540. Its totient is φ = 12233099088.

The previous prime is 12233320279. The next prime is 12233320327. The reversal of 12233320313 is 31302333221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31302333221 = 109 ⋅287177369.

It can be written as a sum of positive squares in 2 ways, for example, as 11323513744 + 909806569 = 106412^2 + 30163^2 .

It is a cyclic number.

It is not a de Polignac number, because 12233320313 - 2¹² = 12233316217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12233320613) 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 3 ways as a sum of consecutive naturals, for example, 53231 + ... + 165227.

It is an arithmetic number, because the mean of its divisors is an integer number (3058385385).

Almost surely, 2^12233320313 is an apocalyptic number.

It is an amenable number.

12233320313 is a deficient number, since it is larger than the sum of its proper divisors (221227).

12233320313 is a wasteful number, since it uses less digits than its factorization.

12233320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221226.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 12233320313 its reverse (31302333221), we get a palindrome (43535653534).

The spelling of 12233320313 in words is "twelve billion, two hundred thirty-three million, three hundred twenty thousand, three hundred thirteen".