12321300999 has 16 divisors (see below), whose sum is σ = 18778217472. Its totient is φ = 7039655328.

The previous prime is 12321300983. The next prime is 12321301061. The reversal of 12321300999 is 99900312321.

It is not a de Polignac number, because 12321300999 - 2⁴ = 12321300983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321400999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105442 + ... + 189104.

It is an arithmetic number, because the mean of its divisors is an integer number (1173638592).

Almost surely, 2^12321300999 is an apocalyptic number.

12321300999 is a deficient number, since it is larger than the sum of its proper divisors (6456916473).

12321300999 is an equidigital number, since it uses as much as digits as its factorization.

12321300999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90686.

The product of its (nonzero) digits is 26244, while the sum is 39.

The spelling of 12321300999 in words is "twelve billion, three hundred twenty-one million, three hundred thousand, nine hundred ninety-nine".