212220112210 has 16 divisors (see below), whose sum is σ = 402101265600. Its totient is φ = 80420252976.

The previous prime is 212220112207. The next prime is 212220112211. The reversal of 212220112210 is 12211022212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212220112211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558473790 + ... + 558474169.

It is an arithmetic number, because the mean of its divisors is an integer number (25131329100).

Almost surely, 2^212220112210 is an apocalyptic number.

212220112210 is a deficient number, since it is larger than the sum of its proper divisors (189881153390).

212220112210 is a wasteful number, since it uses less digits than its factorization.

212220112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116947985.

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

Adding to 212220112210 its reverse (12211022212), we get a palindrome (224431134422).

The spelling of 212220112210 in words is "two hundred twelve billion, two hundred twenty million, one hundred twelve thousand, two hundred ten".