212224043105 has 16 divisors (see below), whose sum is σ = 255655805904. Its totient is φ = 169121648640.

The previous prime is 212224043027. The next prime is 212224043149. The reversal of 212224043105 is 501340422212.

It can be written as a sum of positive squares in 8 ways, for example, as 61766166784 + 150457876321 = 248528^2 + 387889^2 .

It is not a de Polignac number, because 212224043105 - 2¹⁰ = 212224042081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 4773137 + ... + 4817393.

It is an arithmetic number, because the mean of its divisors is an integer number (15978487869).

Almost surely, 2^212224043105 is an apocalyptic number.

It is an amenable number.

212224043105 is a deficient number, since it is larger than the sum of its proper divisors (43431762799).

212224043105 is a wasteful number, since it uses less digits than its factorization.

212224043105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47956.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 212224043105 its reverse (501340422212), we get a palindrome (713564465317).

The spelling of 212224043105 in words is "two hundred twelve billion, two hundred twenty-four million, forty-three thousand, one hundred five".