12055204321 has 8 divisors (see below), whose sum is σ = 12393653184. Its totient is φ = 11717420400.

The previous prime is 12055204319. The next prime is 12055204351. The reversal of 12055204321 is 12340255021.

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 12055204321 - 2¹ = 12055204319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12055204351) 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, 129355 + ... + 202096.

It is an arithmetic number, because the mean of its divisors is an integer number (1549206648).

Almost surely, 2^12055204321 is an apocalyptic number.

It is an amenable number.

12055204321 is a deficient number, since it is larger than the sum of its proper divisors (338448863).

12055204321 is an equidigital number, since it uses as much as digits as its factorization.

12055204321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332471.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 12055204321 its reverse (12340255021), we get a palindrome (24395459342).

The spelling of 12055204321 in words is "twelve billion, fifty-five million, two hundred four thousand, three hundred twenty-one".