12321211199 has 16 divisors (see below), whose sum is σ = 13716078624. Its totient is φ = 10972790400.

The previous prime is 12321211187. The next prime is 12321211211. The reversal of 12321211199 is 99111212321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12321211187) and next prime (12321211211).

It is not a de Polignac number, because 12321211199 - 2²⁸ = 12052775743 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 (12321211699) 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, 369377 + ... + 401349.

It is an arithmetic number, because the mean of its divisors is an integer number (857254914).

Almost surely, 2^12321211199 is an apocalyptic number.

12321211199 is a deficient number, since it is larger than the sum of its proper divisors (1394867425).

12321211199 is a wasteful number, since it uses less digits than its factorization.

12321211199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32698.

The product of its digits is 1944, while the sum is 32.

The spelling of 12321211199 in words is "twelve billion, three hundred twenty-one million, two hundred eleven thousand, one hundred ninety-nine".