12321013320493 has 2 divisors, whose sum is σ = 12321013320494. Its totient is φ = 12321013320492.

The previous prime is 12321013320403. The next prime is 12321013320503. The reversal of 12321013320493 is 39402331012321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10622365084809 + 1698648235684 = 3259197^2 + 1303322^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321013320493 - 2²¹ = 12321011223341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12321013320403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160506660246 + 6160506660247.

It is an arithmetic number, because the mean of its divisors is an integer number (6160506660247).

Almost surely, 2^{12321013320493} is an apocalyptic number.

It is an amenable number.

12321013320493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321013320493 is an equidigital number, since it uses as much as digits as its factorization.

12321013320493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 12321013320493 in words is "twelve trillion, three hundred twenty-one billion, thirteen million, three hundred twenty thousand, four hundred ninety-three".