212201222012200 has 48 divisors (see below), whose sum is σ = 493390833778080. Its totient is φ = 84876533088960.

The previous prime is 212201222012189. The next prime is 212201222012203. The reversal of 212201222012200 is 2210222102212.

It is not an unprimeable number, because it can be changed into a prime (212201222012203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20419092 + ... + 29005891.

It is an arithmetic number, because the mean of its divisors is an integer number (10278975703710).

Almost surely, 2^{212201222012200} is an apocalyptic number.

212201222012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201222012200 is an abundant number, since it is smaller than the sum of its proper divisors (281189611765880).

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

212201222012200 is a wasteful number, since it uses less digits than its factorization.

212201222012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49446466 (or 49446457 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212201222012200 its reverse (2210222102212), we get a palindrome (214411444114412).

The spelling of 212201222012200 in words is "two hundred twelve trillion, two hundred one billion, two hundred twenty-two million, twelve thousand, two hundred".