212201200022100 has 72 divisors (see below), whose sum is σ = 616878610346208. Its totient is φ = 56318801884800.

The previous prime is 212201200022093. The next prime is 212201200022113. The reversal of 212201200022100 is 1220002102212.

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 212201200022100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1676091519 + ... + 1676218118.

Almost surely, 2^{212201200022100} is an apocalyptic number.

212201200022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201200022100 is an abundant number, since it is smaller than the sum of its proper divisors (404677410324108).

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

212201200022100 is a wasteful number, since it uses less digits than its factorization.

212201200022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352309865 (or 3352309858 counting only the distinct ones).

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

Adding to 212201200022100 its reverse (1220002102212), we get a palindrome (213421202124312).

The spelling of 212201200022100 in words is "two hundred twelve trillion, two hundred one billion, two hundred million, twenty-two thousand, one hundred".