12303232213 has 4 divisors (see below), whose sum is σ = 12303532288. Its totient is φ = 12302932140.

The previous prime is 12303232199. The next prime is 12303232261. The reversal of 12303232213 is 31223230321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31223230321 = 67 ⋅466018363.

It is a cyclic number.

It is not a de Polignac number, because 12303232213 - 2²¹ = 12301135061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303230213) 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, 76533 + ... + 174538.

It is an arithmetic number, because the mean of its divisors is an integer number (3075883072).

Almost surely, 2^12303232213 is an apocalyptic number.

It is an amenable number.

12303232213 is a deficient number, since it is larger than the sum of its proper divisors (300075).

12303232213 is an equidigital number, since it uses as much as digits as its factorization.

12303232213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300074.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12303232213 its reverse (31223230321), we get a palindrome (43526462534).

The spelling of 12303232213 in words is "twelve billion, three hundred three million, two hundred thirty-two thousand, two hundred thirteen".