12321013320499 has 4 divisors (see below), whose sum is σ = 13268783575936. Its totient is φ = 11373243065064.

The previous prime is 12321013320493. The next prime is 12321013320503. The reversal of 12321013320499 is 99402331012321.

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

It is a cyclic number.

It is not a de Polignac number, because 12321013320499 - 2¹⁵ = 12321013287731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321013320493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473885127699 + ... + 473885127724.

It is an arithmetic number, because the mean of its divisors is an integer number (3317195893984).

Almost surely, 2^{12321013320499} is an apocalyptic number.

12321013320499 is a deficient number, since it is larger than the sum of its proper divisors (947770255437).

12321013320499 is an equidigital number, since it uses as much as digits as its factorization.

12321013320499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947770255436.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 12321013320499 in words is "twelve trillion, three hundred twenty-one billion, thirteen million, three hundred twenty thousand, four hundred ninety-nine".