12321013320502 has 4 divisors (see below), whose sum is σ = 18481519980756. Its totient is φ = 6160506660250.

The previous prime is 12321013320493. The next prime is 12321013320503. The reversal of 12321013320502 is 20502331012321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321013320503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080253330124 + ... + 3080253330127.

It is an arithmetic number, because the mean of its divisors is an integer number (4620379995189).

Almost surely, 2^{12321013320502} is an apocalyptic number.

12321013320502 is a deficient number, since it is larger than the sum of its proper divisors (6160506660254).

12321013320502 is an equidigital number, since it uses as much as digits as its factorization.

12321013320502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160506660253.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 12321013320502 its reverse (20502331012321), we get a palindrome (32823344332823).

The spelling of 12321013320502 in words is "twelve trillion, three hundred twenty-one billion, thirteen million, three hundred twenty thousand, five hundred two".