112212010217 has 2 divisors, whose sum is σ = 112212010218. Its totient is φ = 112212010216.

The previous prime is 112212010199. The next prime is 112212010237. The reversal of 112212010217 is 712010212211.

It is a happy number.

It is an a-pointer prime, because the next prime (112212010237) can be obtained adding 112212010217 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80915215936 + 31296794281 = 284456^2 + 176909^2 .

It is an emirp because it is prime and its reverse (712010212211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112212010217 - 2²⁴ = 112195233001 is a prime.

It is a super-2 number, since 2×112212010217² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112212010237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106005108 + 56106005109.

It is an arithmetic number, because the mean of its divisors is an integer number (56106005109).

Almost surely, 2^112212010217 is an apocalyptic number.

It is an amenable number.

112212010217 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212010217 is an equidigital number, since it uses as much as digits as its factorization.

112212010217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 112212010217 its reverse (712010212211), we get a palindrome (824222222428).

The spelling of 112212010217 in words is "one hundred twelve billion, two hundred twelve million, ten thousand, two hundred seventeen".