212122102210 has 32 divisors (see below), whose sum is σ = 391256998272. Its totient is φ = 82753000320.

The previous prime is 212122102177. The next prime is 212122102237. The reversal of 212122102210 is 12201221212.

It is a happy number.

212122102210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 1232467 + ... + 1393993.

It is an arithmetic number, because the mean of its divisors is an integer number (12226781196).

Almost surely, 2^212122102210 is an apocalyptic number.

212122102210 is a deficient number, since it is larger than the sum of its proper divisors (179134896062).

212122102210 is a wasteful number, since it uses less digits than its factorization.

212122102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164778.

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

Adding to 212122102210 its reverse (12201221212), we get a palindrome (224323323422).

The spelling of 212122102210 in words is "two hundred twelve billion, one hundred twenty-two million, one hundred two thousand, two hundred ten".