12432330321 has 8 divisors (see below), whose sum is σ = 16731360864. Its totient is φ = 8210760000.

The previous prime is 12432330311. The next prime is 12432330341. The reversal of 12432330321 is 12303323421.

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

It is not a de Polignac number, because 12432330321 - 2⁹ = 12432329809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12432330291 and 12432330300.

It is not an unprimeable number, because it can be changed into a prime (12432330311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19364680 + ... + 19365321.

It is an arithmetic number, because the mean of its divisors is an integer number (2091420108).

Almost surely, 2^12432330321 is an apocalyptic number.

It is an amenable number.

12432330321 is a deficient number, since it is larger than the sum of its proper divisors (4299030543).

12432330321 is a wasteful number, since it uses less digits than its factorization.

12432330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38730111.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12432330321 its reverse (12303323421), we get a palindrome (24735653742).

The spelling of 12432330321 in words is "twelve billion, four hundred thirty-two million, three hundred thirty thousand, three hundred twenty-one".