212212021100200 has 144 divisors (see below), whose sum is σ = 554936681154240. Its totient is φ = 75373402473600.

The previous prime is 212212021100141. The next prime is 212212021100221. The reversal of 212212021100200 is 2001120212212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 100925584 + ... + 103006783.

It is an arithmetic number, because the mean of its divisors is an integer number (3853726952460).

Almost surely, 2^{212212021100200} is an apocalyptic number.

212212021100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212212021100200 is an abundant number, since it is smaller than the sum of its proper divisors (342724660054040).

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

212212021100200 is a wasteful number, since it uses less digits than its factorization.

212212021100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203932448 (or 203932428 counting only the distinct ones).

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

Adding to 212212021100200 its reverse (2001120212212), we get a palindrome (214213141312412).

The spelling of 212212021100200 in words is "two hundred twelve trillion, two hundred twelve billion, twenty-one million, one hundred thousand, two hundred".