12321412321 has 8 divisors (see below), whose sum is σ = 12380417280. Its totient is φ = 12262546992.

The previous prime is 12321412297. The next prime is 12321412331.

12321412321 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 12321412321 - 2¹¹ = 12321410273 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12321412292 and 12321412301.

It is not an unprimeable number, because it can be changed into a prime (12321412331) 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, 144186 + ... + 213148.

It is an arithmetic number, because the mean of its divisors is an integer number (1547552160).

Almost surely, 2^12321412321 is an apocalyptic number.

It is an amenable number.

12321412321 is a deficient number, since it is larger than the sum of its proper divisors (59004959).

12321412321 is an equidigital number, since it uses as much as digits as its factorization.

12321412321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69815.

The product of its digits is 576, while the sum is 22.

The spelling of 12321412321 in words is "twelve billion, three hundred twenty-one million, four hundred twelve thousand, three hundred twenty-one".