12320100329 has 2 divisors, whose sum is σ = 12320100330. Its totient is φ = 12320100328.

The previous prime is 12320100293. The next prime is 12320100371. The reversal of 12320100329 is 92300102321.

Together with previous prime (12320100293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11593905625 + 726194704 = 107675^2 + 26948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12320100329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12320100229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160050164 + 6160050165.

It is an arithmetic number, because the mean of its divisors is an integer number (6160050165).

Almost surely, 2^12320100329 is an apocalyptic number.

It is an amenable number.

12320100329 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320100329 is an equidigital number, since it uses as much as digits as its factorization.

12320100329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 12320100329 in words is "twelve billion, three hundred twenty million, one hundred thousand, three hundred twenty-nine".