12302032321 has 16 divisors (see below), whose sum is σ = 12657939840. Its totient is φ = 11951723520.

The previous prime is 12302032307. The next prime is 12302032349. The reversal of 12302032321 is 12323020321.

It is a cyclic number.

It is not a de Polignac number, because 12302032321 - 2⁵ = 12302032289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12302032361) 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, 2630241 + ... + 2634913.

It is an arithmetic number, because the mean of its divisors is an integer number (791121240).

Almost surely, 2^12302032321 is an apocalyptic number.

It is an amenable number.

12302032321 is a deficient number, since it is larger than the sum of its proper divisors (355907519).

12302032321 is a wasteful number, since it uses less digits than its factorization.

12302032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12302032321 its reverse (12323020321), we get a palindrome (24625052642).

The spelling of 12302032321 in words is "twelve billion, three hundred two million, thirty-two thousand, three hundred twenty-one".