12322120309 has 4 divisors (see below), whose sum is σ = 12334863904. Its totient is φ = 12309376716.

The previous prime is 12322120289. The next prime is 12322120339. The reversal of 12322120309 is 90302122321.

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 12322120309 - 2¹¹ = 12322118261 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 (12322120339) 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, 6370347 + ... + 6372280.

It is an arithmetic number, because the mean of its divisors is an integer number (3083715976).

Almost surely, 2^12322120309 is an apocalyptic number.

It is an amenable number.

12322120309 is a deficient number, since it is larger than the sum of its proper divisors (12743595).

12322120309 is an equidigital number, since it uses as much as digits as its factorization.

12322120309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12743594.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 12322120309 in words is "twelve billion, three hundred twenty-two million, one hundred twenty thousand, three hundred nine".