14312636322221 has 2 divisors, whose sum is σ = 14312636322222. Its totient is φ = 14312636322220.

The previous prime is 14312636322197. The next prime is 14312636322323. The reversal of 14312636322221 is 12222363621341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12115168069225 + 2197468252996 = 3480685^2 + 1482386^2 .

It is a cyclic number.

It is not a de Polignac number, because 14312636322221 - 2⁶ = 14312636322157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14312636322121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7156318161110 + 7156318161111.

It is an arithmetic number, because the mean of its divisors is an integer number (7156318161111).

Almost surely, 2^{14312636322221} is an apocalyptic number.

It is an amenable number.

14312636322221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14312636322221 is an equidigital number, since it uses as much as digits as its factorization.

14312636322221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 38.

Adding to 14312636322221 its reverse (12222363621341), we get a palindrome (26534999943562).

The spelling of 14312636322221 in words is "fourteen trillion, three hundred twelve billion, six hundred thirty-six million, three hundred twenty-two thousand, two hundred twenty-one".