13212303222321 has 24 divisors (see below), whose sum is σ = 21811847241600. Its totient is φ = 7549520296896.

The previous prime is 13212303222187. The next prime is 13212303222353. The reversal of 13212303222321 is 12322230321231.

13212303222321 is a `hidden beast` number, since 1 + 3 + 2 + 12 + 3 + 0 + 322 + 2 + 321 = 666.

It is not a de Polignac number, because 13212303222321 - 2²² = 13212299028017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13212303232321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3792780 + ... + 6388253.

It is an arithmetic number, because the mean of its divisors is an integer number (908826968400).

Almost surely, 2^{13212303222321} is an apocalyptic number.

It is an amenable number.

13212303222321 is a deficient number, since it is larger than the sum of its proper divisors (8599544019279).

13212303222321 is a wasteful number, since it uses less digits than its factorization.

13212303222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201645 (or 10201642 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13212303222321 its reverse (12322230321231), we get a palindrome (25534533543552).

The spelling of 13212303222321 in words is "thirteen trillion, two hundred twelve billion, three hundred three million, two hundred twenty-two thousand, three hundred twenty-one".