212224043287 has 2 divisors, whose sum is σ = 212224043288. Its totient is φ = 212224043286.

The previous prime is 212224043237. The next prime is 212224043309. The reversal of 212224043287 is 782340422212.

212224043287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212224043287 - 2¹⁵ = 212224010519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212224043237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106112021643 + 106112021644.

It is an arithmetic number, because the mean of its divisors is an integer number (106112021644).

Almost surely, 2^212224043287 is an apocalyptic number.

212224043287 is a deficient number, since it is larger than the sum of its proper divisors (1).

212224043287 is an equidigital number, since it uses as much as digits as its factorization.

212224043287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 37.

Adding to 212224043287 its reverse (782340422212), we get a palindrome (994564465499).

The spelling of 212224043287 in words is "two hundred twelve billion, two hundred twenty-four million, forty-three thousand, two hundred eighty-seven".