212343224205 has 64 divisors (see below), whose sum is σ = 404564428800. Its totient is φ = 93049447680.

The previous prime is 212343224179. The next prime is 212343224209. The reversal of 212343224205 is 502422343212.

212343224205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212343224205 - 2⁶ = 212343224141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212343224209) 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 in 63 ways as a sum of consecutive naturals, for example, 172410 + ... + 674100.

It is an arithmetic number, because the mean of its divisors is an integer number (6321319200).

Almost surely, 2^212343224205 is an apocalyptic number.

It is an amenable number.

212343224205 is a deficient number, since it is larger than the sum of its proper divisors (192221204595).

212343224205 is a wasteful number, since it uses less digits than its factorization.

212343224205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501874.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 212343224205 its reverse (502422343212), we get a palindrome (714765567417).

The spelling of 212343224205 in words is "two hundred twelve billion, three hundred forty-three million, two hundred twenty-four thousand, two hundred five".