12322001999 has 16 divisors (see below), whose sum is σ = 13790573280. Its totient is φ = 10941143040.

The previous prime is 12322001987. The next prime is 12322002061. The reversal of 12322001999 is 99910022321.

It is a cyclic number.

It is not a de Polignac number, because 12322001999 - 2⁸ = 12322001743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322001929) 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, 1304 + ... + 156989.

It is an arithmetic number, because the mean of its divisors is an integer number (861910830).

Almost surely, 2^12322001999 is an apocalyptic number.

12322001999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12322001999 is a deficient number, since it is larger than the sum of its proper divisors (1468571281).

12322001999 is a wasteful number, since it uses less digits than its factorization.

12322001999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158570.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 12322001999 in words is "twelve billion, three hundred twenty-two million, one thousand, nine hundred ninety-nine".