212212210210 has 64 divisors (see below), whose sum is σ = 512870932224. Its totient is φ = 61056057600.

The previous prime is 212212210201. The next prime is 212212210261. The reversal of 212212210210 is 12012212212.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10590001 + ... + 10610020.

It is an arithmetic number, because the mean of its divisors is an integer number (8013608316).

Almost surely, 2^212212210210 is an apocalyptic number.

212212210210 is an abundant number, since it is smaller than the sum of its proper divisors (300658722014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212212210210 is a wasteful number, since it uses less digits than its factorization.

212212210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21200059.

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

Adding to 212212210210 its reverse (12012212212), we get a palindrome (224224422422).

The spelling of 212212210210 in words is "two hundred twelve billion, two hundred twelve million, two hundred ten thousand, two hundred ten".