212211113210 has 64 divisors (see below), whose sum is σ = 397532378880. Its totient is φ = 81504299520.

The previous prime is 212211113131. The next prime is 212211113239. The reversal of 212211113210 is 12311112212.

It is a happy number.

212211113210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 6868076 + ... + 6898904.

It is an arithmetic number, because the mean of its divisors is an integer number (6211443420).

Almost surely, 2^212211113210 is an apocalyptic number.

212211113210 is a deficient number, since it is larger than the sum of its proper divisors (185321265670).

212211113210 is a wasteful number, since it uses less digits than its factorization.

212211113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31143.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212211113210 its reverse (12311112212), we get a palindrome (224522225422).

The spelling of 212211113210 in words is "two hundred twelve billion, two hundred eleven million, one hundred thirteen thousand, two hundred ten".