12212212201247 has 2 divisors, whose sum is σ = 12212212201248. Its totient is φ = 12212212201246.

The previous prime is 12212212201207. The next prime is 12212212201249. The reversal of 12212212201247 is 74210221221221.

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-12212212201247 is a prime.

Together with 12212212201249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212212201249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106106100623 + 6106106100624.

It is an arithmetic number, because the mean of its divisors is an integer number (6106106100624).

Almost surely, 2^{12212212201247} is an apocalyptic number.

12212212201247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212212201247 is an equidigital number, since it uses as much as digits as its factorization.

12212212201247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 29.

Adding to 12212212201247 its reverse (74210221221221), we get a palindrome (86422433422468).

The spelling of 12212212201247 in words is "twelve trillion, two hundred twelve billion, two hundred twelve million, two hundred one thousand, two hundred forty-seven".