13212212240243 has 2 divisors, whose sum is σ = 13212212240244. Its totient is φ = 13212212240242.

The previous prime is 13212212240221. The next prime is 13212212240273. The reversal of 13212212240243 is 34204221221231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13212212240243 - 2²⁶ = 13212145131379 is a prime.

It is not a weakly prime, because it can be changed into another prime (13212212240203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606106120121 + 6606106120122.

It is an arithmetic number, because the mean of its divisors is an integer number (6606106120122).

Almost surely, 2^{13212212240243} is an apocalyptic number.

13212212240243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212212240243 is an equidigital number, since it uses as much as digits as its factorization.

13212212240243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 13212212240243 its reverse (34204221221231), we get a palindrome (47416433461474).

The spelling of 13212212240243 in words is "thirteen trillion, two hundred twelve billion, two hundred twelve million, two hundred forty thousand, two hundred forty-three".