12000112212217 has 2 divisors, whose sum is σ = 12000112212218. Its totient is φ = 12000112212216.

The previous prime is 12000112212119. The next prime is 12000112212223. The reversal of 12000112212217 is 71221221100021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7116281828496 + 4883830383721 = 2667636^2 + 2209939^2 .

It is a cyclic number.

It is not a de Polignac number, because 12000112212217 - 2¹¹ = 12000112210169 is a prime.

It is not a weakly prime, because it can be changed into another prime (12000112212287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000056106108 + 6000056106109.

It is an arithmetic number, because the mean of its divisors is an integer number (6000056106109).

Almost surely, 2^{12000112212217} is an apocalyptic number.

It is an amenable number.

12000112212217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000112212217 is an equidigital number, since it uses as much as digits as its factorization.

12000112212217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 12000112212217 its reverse (71221221100021), we get a palindrome (83221333312238).

The spelling of 12000112212217 in words is "twelve trillion, one hundred twelve million, two hundred twelve thousand, two hundred seventeen".