12011122212247 has 2 divisors, whose sum is σ = 12011122212248. Its totient is φ = 12011122212246.

The previous prime is 12011122212197. The next prime is 12011122212283. The reversal of 12011122212247 is 74221222111021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011122212247 - 2⁷ = 12011122212119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011122222247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005561106123 + 6005561106124.

It is an arithmetic number, because the mean of its divisors is an integer number (6005561106124).

Almost surely, 2^{12011122212247} is an apocalyptic number.

12011122212247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011122212247 is an equidigital number, since it uses as much as digits as its factorization.

12011122212247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

Adding to 12011122212247 its reverse (74221222111021), we get a palindrome (86232344323268).

The spelling of 12011122212247 in words is "twelve trillion, eleven billion, one hundred twenty-two million, two hundred twelve thousand, two hundred forty-seven".