12212330323 has 4 divisors (see below), whose sum is σ = 12217335768. Its totient is φ = 12207324880.

The previous prime is 12212330303. The next prime is 12212330407. The reversal of 12212330323 is 32303321221.

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

It is a cyclic number.

It is not a de Polignac number, because 12212330323 - 2²¹ = 12210233171 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12212330294 and 12212330303.

It is not an unprimeable number, because it can be changed into a prime (12212330303) 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, 2499061 + ... + 2503942.

It is an arithmetic number, because the mean of its divisors is an integer number (3054333942).

Almost surely, 2^12212330323 is an apocalyptic number.

12212330323 is a deficient number, since it is larger than the sum of its proper divisors (5005445).

12212330323 is an equidigital number, since it uses as much as digits as its factorization.

12212330323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5005444.

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

Adding to 12212330323 its reverse (32303321221), we get a palindrome (44515651544).

The spelling of 12212330323 in words is "twelve billion, two hundred twelve million, three hundred thirty thousand, three hundred twenty-three".