212001112022200 has 96 divisors (see below), whose sum is σ = 493422754860000. Its totient is φ = 84710966054400.

The previous prime is 212001112022179. The next prime is 212001112022209. The reversal of 212001112022200 is 2220211100212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001112022209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3422156826 + ... + 3422218774.

It is an arithmetic number, because the mean of its divisors is an integer number (5139820363125).

Almost surely, 2^{212001112022200} is an apocalyptic number.

212001112022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212001112022200 is an abundant number, since it is smaller than the sum of its proper divisors (281421642837800).

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

212001112022200 is a wasteful number, since it uses less digits than its factorization.

212001112022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79745 (or 79736 counting only the distinct ones).

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

Adding to 212001112022200 its reverse (2220211100212), we get a palindrome (214221323122412).

The spelling of 212001112022200 in words is "two hundred twelve trillion, one billion, one hundred twelve million, twenty-two thousand, two hundred".