2212124383817 has 2 divisors, whose sum is σ = 2212124383818. Its totient is φ = 2212124383816.

The previous prime is 2212124383789. The next prime is 2212124383871. The reversal of 2212124383817 is 7183834212122.

It is a happy number.

Together with next prime (2212124383871) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2209946854921 + 2177528896 = 1486589^2 + 46664^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212124383817 - 2⁸ = 2212124383561 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212124382817) 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, 1106062191908 + 1106062191909.

It is an arithmetic number, because the mean of its divisors is an integer number (1106062191909).

Almost surely, 2^{2212124383817} is an apocalyptic number.

It is an amenable number.

2212124383817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212124383817 is an equidigital number, since it uses as much as digits as its factorization.

2212124383817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 44.

Adding to 2212124383817 its reverse (7183834212122), we get a palindrome (9395958595939).

The spelling of 2212124383817 in words is "two trillion, two hundred twelve billion, one hundred twenty-four million, three hundred eighty-three thousand, eight hundred seventeen".