12402204321 has 8 divisors (see below), whose sum is σ = 17808293440. Its totient is φ = 7632125712.

The previous prime is 12402204313. The next prime is 12402204323. The reversal of 12402204321 is 12340220421.

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

It is not a de Polignac number, because 12402204321 - 2³ = 12402204313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12402204323) 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, 159002581 + ... + 159002658.

It is an arithmetic number, because the mean of its divisors is an integer number (2226036680).

Almost surely, 2^12402204321 is an apocalyptic number.

It is an amenable number.

12402204321 is a deficient number, since it is larger than the sum of its proper divisors (5406089119).

12402204321 is a wasteful number, since it uses less digits than its factorization.

12402204321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318005255.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12402204321 its reverse (12340220421), we get a palindrome (24742424742).

The spelling of 12402204321 in words is "twelve billion, four hundred two million, two hundred four thousand, three hundred twenty-one".