122210212 has 12 divisors (see below), whose sum is σ = 226448460. Its totient is φ = 57510656.

The previous prime is 122210191. The next prime is 122210227. The reversal of 122210212 is 212012221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48525156 + 73685056 = 6966^2 + 8584^2 .

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 122210192 and 122210201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898537 + ... + 898672.

It is an arithmetic number, because the mean of its divisors is an integer number (18870705).

Almost surely, 2^122210212 is an apocalyptic number.

It is an amenable number.

122210212 is a deficient number, since it is larger than the sum of its proper divisors (104238248).

122210212 is a wasteful number, since it uses less digits than its factorization.

122210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797230 (or 1797228 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 122210212 is about 11054.8727717690. The cubic root of 122210212 is about 496.2522617683.

Adding to 122210212 its reverse (212012221), we get a palindrome (334222433).

The spelling of 122210212 in words is "one hundred twenty-two million, two hundred ten thousand, two hundred twelve".