212012120222 has 32 divisors (see below), whose sum is σ = 365050796544. Its totient is φ = 90462592800.

The previous prime is 212012120209. The next prime is 212012120227. The reversal of 212012120222 is 222021210212.

It is a happy number.

212012120222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212012120222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012120227) 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 15 ways as a sum of consecutive naturals, for example, 4204097 + ... + 4254227.

It is an arithmetic number, because the mean of its divisors is an integer number (11407837392).

Almost surely, 2^212012120222 is an apocalyptic number.

212012120222 is a deficient number, since it is larger than the sum of its proper divisors (153038676322).

212012120222 is a wasteful number, since it uses less digits than its factorization.

212012120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51464.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212012120222 its reverse (222021210212), we get a palindrome (434033330434).

The spelling of 212012120222 in words is "two hundred twelve billion, twelve million, one hundred twenty thousand, two hundred twenty-two".