13213223341251 has 24 divisors (see below), whose sum is σ = 17709562843200. Its totient is φ = 8763015424896.

The previous prime is 13213223341169. The next prime is 13213223341261. The reversal of 13213223341251 is 15214332231231.

It is a happy number.

It is not a de Polignac number, because 13213223341251 - 2⁹ = 13213223340739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13213223341261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195142200 + ... + 195209898.

It is an arithmetic number, because the mean of its divisors is an integer number (737898451800).

Almost surely, 2^{13213223341251} is an apocalyptic number.

13213223341251 is a deficient number, since it is larger than the sum of its proper divisors (4496339501949).

13213223341251 is an frugal number, since it uses more digits than its factorization.

13213223341251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68915 (or 68482 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

Adding to 13213223341251 its reverse (15214332231231), we get a palindrome (28427555572482).

The spelling of 13213223341251 in words is "thirteen trillion, two hundred thirteen billion, two hundred twenty-three million, three hundred forty-one thousand, two hundred fifty-one".