12389298321 has 12 divisors (see below), whose sum is σ = 16564028208. Its totient is φ = 8237111184.

The previous prime is 12389298269. The next prime is 12389298343.

12389298321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12389298321 - 2¹⁴ = 12389281937 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12389290321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402546 + ... + 432228.

It is an arithmetic number, because the mean of its divisors is an integer number (1380335684).

Almost surely, 2^12389298321 is an apocalyptic number.

It is an amenable number.

12389298321 is a deficient number, since it is larger than the sum of its proper divisors (4174729887).

12389298321 is an frugal number, since it uses more digits than its factorization.

12389298321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30432 (or 30059 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The spelling of 12389298321 in words is "twelve billion, three hundred eighty-nine million, two hundred ninety-eight thousand, three hundred twenty-one".