212212210200 has 96 divisors (see below), whose sum is σ = 661894094400. Its totient is φ = 56242719360.

The previous prime is 212212210187. The next prime is 212212210201. The reversal of 212212210200 is 2012212212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212212210200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212210201) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 987130 + ... + 1182729.

It is an arithmetic number, because the mean of its divisors is an integer number (6894730150).

Almost surely, 2^212212210200 is an apocalyptic number.

212212210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212212210200 is an abundant number, since it is smaller than the sum of its proper divisors (449681884200).

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

212212210200 is a wasteful number, since it uses less digits than its factorization.

212212210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170041 (or 2170032 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212212210200 its reverse (2012212212), we get a palindrome (214224422412).

The spelling of 212212210200 in words is "two hundred twelve billion, two hundred twelve million, two hundred ten thousand, two hundred".