12312231133321 has 12 divisors (see below), whose sum is σ = 14328023548032. Its totient is φ = 10549190907528.

The previous prime is 12312231133303. The next prime is 12312231133339. The reversal of 12312231133321 is 12333113221321.

It is an interprime number because it is at equal distance from previous prime (12312231133303) and next prime (12312231133339).

It is not a de Polignac number, because 12312231133321 - 2⁵ = 12312231133289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12312231133321.

It is not an unprimeable number, because it can be changed into a prime (12312231133351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49279645 + ... + 49528858.

It is an arithmetic number, because the mean of its divisors is an integer number (1194001962336).

Almost surely, 2^{12312231133321} is an apocalyptic number.

It is an amenable number.

12312231133321 is a deficient number, since it is larger than the sum of its proper divisors (2015792414711).

12312231133321 is an equidigital number, since it uses as much as digits as its factorization.

12312231133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98811060 (or 98811053 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

Adding to 12312231133321 its reverse (12333113221321), we get a palindrome (24645344354642).

The spelling of 12312231133321 in words is "twelve trillion, three hundred twelve billion, two hundred thirty-one million, one hundred thirty-three thousand, three hundred twenty-one".