12112303321 has 4 divisors (see below), whose sum is σ = 12179970000. Its totient is φ = 12044636644.

The previous prime is 12112303303. The next prime is 12112303351. The reversal of 12112303321 is 12330321121.

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.

It is a cyclic number.

It is not a de Polignac number, because 12112303321 - 2¹¹ = 12112301273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112303351) 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, 33833071 + ... + 33833428.

It is an arithmetic number, because the mean of its divisors is an integer number (3044992500).

Almost surely, 2^12112303321 is an apocalyptic number.

It is an amenable number.

12112303321 is a deficient number, since it is larger than the sum of its proper divisors (67666679).

12112303321 is an equidigital number, since it uses as much as digits as its factorization.

12112303321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67666678.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12112303321 its reverse (12330321121), we get a palindrome (24442624442).

The spelling of 12112303321 in words is "twelve billion, one hundred twelve million, three hundred three thousand, three hundred twenty-one".