12320144339 has 2 divisors, whose sum is σ = 12320144340. Its totient is φ = 12320144338.

The previous prime is 12320144299. The next prime is 12320144351. The reversal of 12320144339 is 93344102321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12320144339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12320134339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160072169 + 6160072170.

It is an arithmetic number, because the mean of its divisors is an integer number (6160072170).

Almost surely, 2^12320144339 is an apocalyptic number.

12320144339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320144339 is an equidigital number, since it uses as much as digits as its factorization.

12320144339 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 32.

The spelling of 12320144339 in words is "twelve billion, three hundred twenty million, one hundred forty-four thousand, three hundred thirty-nine".