12321233209 has 8 divisors (see below), whose sum is σ = 12376058112. Its totient is φ = 12266439360.

The previous prime is 12321233167. The next prime is 12321233213. The reversal of 12321233209 is 90233212321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321233209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321233269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186092 + ... + 1196434.

It is an arithmetic number, because the mean of its divisors is an integer number (1547007264).

Almost surely, 2^12321233209 is an apocalyptic number.

It is an amenable number.

12321233209 is a deficient number, since it is larger than the sum of its proper divisors (54824903).

12321233209 is a wasteful number, since it uses less digits than its factorization.

12321233209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15527.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 12321233209 in words is "twelve billion, three hundred twenty-one million, two hundred thirty-three thousand, two hundred nine".