12213202331227 has 2 divisors, whose sum is σ = 12213202331228. Its totient is φ = 12213202331226.

The previous prime is 12213202331173. The next prime is 12213202331261. The reversal of 12213202331227 is 72213320231221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12213202331227 is a prime.

It is a super-2 number, since 2×12213202331227² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12213202311227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106601165613 + 6106601165614.

It is an arithmetic number, because the mean of its divisors is an integer number (6106601165614).

Almost surely, 2^{12213202331227} is an apocalyptic number.

12213202331227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213202331227 is an equidigital number, since it uses as much as digits as its factorization.

12213202331227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 12213202331227 its reverse (72213320231221), we get a palindrome (84426522562448).

The spelling of 12213202331227 in words is "twelve trillion, two hundred thirteen billion, two hundred two million, three hundred thirty-one thousand, two hundred twenty-seven".