212224343211 has 24 divisors (see below), whose sum is σ = 320054935200. Its totient is φ = 135255073536.

The previous prime is 212224343197. The next prime is 212224343231. The reversal of 212224343211 is 112343422212.

212224343211 is a `hidden beast` number, since 2 + 1 + 2 + 224 + 3 + 432 + 1 + 1 = 666.

It is not a de Polignac number, because 212224343211 - 2⁹ = 212224342699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212224343231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79365 + ... + 656313.

It is an arithmetic number, because the mean of its divisors is an integer number (13335622300).

Almost surely, 2^212224343211 is an apocalyptic number.

212224343211 is a deficient number, since it is larger than the sum of its proper divisors (107830591989).

212224343211 is a wasteful number, since it uses less digits than its factorization.

212224343211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578755 (or 578752 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 212224343211 its reverse (112343422212), we get a palindrome (324567765423).

The spelling of 212224343211 in words is "two hundred twelve billion, two hundred twenty-four million, three hundred forty-three thousand, two hundred eleven".