12320324329 has 2 divisors, whose sum is σ = 12320324330. Its totient is φ = 12320324328.

The previous prime is 12320324281. The next prime is 12320324351. The reversal of 12320324329 is 92342302321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12248955625 + 71368704 = 110675^2 + 8448^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320324329 - 2²⁵ = 12286769897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12320324329.

It is not a weakly prime, because it can be changed into another prime (12320324399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160162164 + 6160162165.

It is an arithmetic number, because the mean of its divisors is an integer number (6160162165).

Almost surely, 2^12320324329 is an apocalyptic number.

It is an amenable number.

12320324329 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320324329 is an equidigital number, since it uses as much as digits as its factorization.

12320324329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 12320324329 in words is "twelve billion, three hundred twenty million, three hundred twenty-four thousand, three hundred twenty-nine".