12322123309 has 2 divisors, whose sum is σ = 12322123310. Its totient is φ = 12322123308.

The previous prime is 12322123279. The next prime is 12322123337. The reversal of 12322123309 is 90332122321.

It is an a-pointer prime, because the next prime (12322123337) can be obtained adding 12322123309 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6897800809 + 5424322500 = 83053^2 + 73650^2 .

It is a cyclic number.

It is not a de Polignac number, because 12322123309 - 2⁹ = 12322122797 is a prime.

It is a super-2 number, since 2×12322123309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12322123609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6161061654 + 6161061655.

It is an arithmetic number, because the mean of its divisors is an integer number (6161061655).

Almost surely, 2^12322123309 is an apocalyptic number.

It is an amenable number.

12322123309 is a deficient number, since it is larger than the sum of its proper divisors (1).

12322123309 is an equidigital number, since it uses as much as digits as its factorization.

12322123309 is an evil number, because the sum of its binary digits is even.

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

The spelling of 12322123309 in words is "twelve billion, three hundred twenty-two million, one hundred twenty-three thousand, three hundred nine".