212333220222 has 16 divisors (see below), whose sum is σ = 432679015440. Its totient is φ = 69442310912.

The previous prime is 212333220193. The next prime is 212333220223. The reversal of 212333220222 is 222022333212.

212333220222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212333220192 and 212333220201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212333220223) 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 7 ways as a sum of consecutive naturals, for example, 333856947 + ... + 333857582.

It is an arithmetic number, because the mean of its divisors is an integer number (27042438465).

Almost surely, 2^212333220222 is an apocalyptic number.

212333220222 is an abundant number, since it is smaller than the sum of its proper divisors (220345795218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212333220222 is a wasteful number, since it uses less digits than its factorization.

212333220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667714587.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 212333220222 its reverse (222022333212), we get a palindrome (434355553434).

The spelling of 212333220222 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred twenty thousand, two hundred twenty-two".