212031030122 has 16 divisors (see below), whose sum is σ = 324254472192. Its totient is φ = 103948762320.

The previous prime is 212031030121. The next prime is 212031030137. The reversal of 212031030122 is 221030130212.

212031030122 is digitally balanced in base 3, 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 212031030122.

It is not an unprimeable number, because it can be changed into a prime (212031030121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 472154 + ... + 804357.

It is an arithmetic number, because the mean of its divisors is an integer number (20265904512).

Almost surely, 2^212031030122 is an apocalyptic number.

212031030122 is a deficient number, since it is larger than the sum of its proper divisors (112223442070).

212031030122 is a wasteful number, since it uses less digits than its factorization.

212031030122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278133.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 212031030122 its reverse (221030130212), we get a palindrome (433061160334).

The spelling of 212031030122 in words is "two hundred twelve billion, thirty-one million, thirty thousand, one hundred twenty-two".