212110121200200 has 144 divisors (see below), whose sum is σ = 679436615885040. Its totient is φ = 54738095644800.

The previous prime is 212110121200199. The next prime is 212110121200213. The reversal of 212110121200200 is 2002121011212.

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 212110121200200.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 183355174 + ... + 184508373.

It is an arithmetic number, because the mean of its divisors is an integer number (4718309832535).

Almost surely, 2^{212110121200200} is an apocalyptic number.

212110121200200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212110121200200 is an abundant number, since it is smaller than the sum of its proper divisors (467326494684840).

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

212110121200200 is a wasteful number, since it uses less digits than its factorization.

212110121200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367863628 (or 367863588 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212110121200200 its reverse (2002121011212), we get a palindrome (214112242211412).

The spelling of 212110121200200 in words is "two hundred twelve trillion, one hundred ten billion, one hundred twenty-one million, two hundred thousand, two hundred".