12210001222321 has 16 divisors (see below), whose sum is σ = 13999496318080. Its totient is φ = 10431825304320.

The previous prime is 12210001222283. The next prime is 12210001222327. The reversal of 12210001222321 is 12322210001221.

12210001222321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12210001222321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12210001222327) 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, 8005915 + ... + 9408223.

It is an arithmetic number, because the mean of its divisors is an integer number (874968519880).

Almost surely, 2^{12210001222321} is an apocalyptic number.

It is an amenable number.

12210001222321 is a deficient number, since it is larger than the sum of its proper divisors (1789495095759).

12210001222321 is a wasteful number, since it uses less digits than its factorization.

12210001222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406344.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12210001222321 its reverse (12322210001221), we get a palindrome (24532211223542).

The spelling of 12210001222321 in words is "twelve trillion, two hundred ten billion, one million, two hundred twenty-two thousand, three hundred twenty-one".