13212112211227 has 2 divisors, whose sum is σ = 13212112211228. Its totient is φ = 13212112211226.

The previous prime is 13212112211213. The next prime is 13212112211297. The reversal of 13212112211227 is 72211221121231.

It is a weak prime.

It is an emirp because it is prime and its reverse (72211221121231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13212112211227 - 2⁷ = 13212112211099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13212112211195 and 13212112211204.

It is not a weakly prime, because it can be changed into another prime (13212112211297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6606056105613 + 6606056105614.

It is an arithmetic number, because the mean of its divisors is an integer number (6606056105614).

Almost surely, 2^{13212112211227} is an apocalyptic number.

13212112211227 is a deficient number, since it is larger than the sum of its proper divisors (1).

13212112211227 is an equidigital number, since it uses as much as digits as its factorization.

13212112211227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 28.

Adding to 13212112211227 its reverse (72211221121231), we get a palindrome (85423333332458).

The spelling of 13212112211227 in words is "thirteen trillion, two hundred twelve billion, one hundred twelve million, two hundred eleven thousand, two hundred twenty-seven".