13221211207 has 2 divisors, whose sum is σ = 13221211208. Its totient is φ = 13221211206.

The previous prime is 13221211177. The next prime is 13221211217. The reversal of 13221211207 is 70211212231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13221211207 - 2⁷ = 13221211079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13221211217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610605603 + 6610605604.

It is an arithmetic number, because the mean of its divisors is an integer number (6610605604).

Almost surely, 2^13221211207 is an apocalyptic number.

13221211207 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221211207 is an equidigital number, since it uses as much as digits as its factorization.

13221211207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 13221211207 its reverse (70211212231), we get a palindrome (83432423438).

The spelling of 13221211207 in words is "thirteen billion, two hundred twenty-one million, two hundred eleven thousand, two hundred seven".