12001303222321 has 16 divisors (see below), whose sum is σ = 14388574199040. Its totient is φ = 9792224084160.

The previous prime is 12001303222289. The next prime is 12001303222327. The reversal of 12001303222321 is 12322230310021.

It is not a de Polignac number, because 12001303222321 - 2⁵ = 12001303222289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001303222292 and 12001303222301.

It is not an unprimeable number, because it can be changed into a prime (12001303222327) 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, 416321646 + ... + 416350471.

It is an arithmetic number, because the mean of its divisors is an integer number (899285887440).

Almost surely, 2^{12001303222321} is an apocalyptic number.

It is an amenable number.

12001303222321 is a deficient number, since it is larger than the sum of its proper divisors (2387270976719).

12001303222321 is an equidigital number, since it uses as much as digits as its factorization.

12001303222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832672224.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12001303222321 its reverse (12322230310021), we get a palindrome (24323533532342).

The spelling of 12001303222321 in words is "twelve trillion, one billion, three hundred three million, two hundred twenty-two thousand, three hundred twenty-one".