212210210122 has 16 divisors (see below), whose sum is σ = 320597713800. Its totient is φ = 105346916352.

The previous prime is 212210210099. The next prime is 212210210159. The reversal of 212210210122 is 221012012212.

It is a happy number.

212210210122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 206026117801 + 6184092321 = 453901^2 + 78639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212210210096 and 212210210105.

It is an unprimeable number.

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, 489783 + ... + 815050.

Almost surely, 2^212210210122 is an apocalyptic number.

212210210122 is a deficient number, since it is larger than the sum of its proper divisors (108387503678).

212210210122 is a wasteful number, since it uses less digits than its factorization.

212210210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305417.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212210210122 its reverse (221012012212), we get a palindrome (433222222334).

The spelling of 212210210122 in words is "two hundred twelve billion, two hundred ten million, two hundred ten thousand, one hundred twenty-two".