212110200 has 72 divisors (see below), whose sum is σ = 712342800. Its totient is φ = 56562240.

The previous prime is 212110189. The next prime is 212110211. The reversal of 212110200 is 2011212.

It is an interprime number because it is at equal distance from previous prime (212110189) and next prime (212110211).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 57120 + ... + 60719.

It is an arithmetic number, because the mean of its divisors is an integer number (9893650).

Almost surely, 2^212110200 is an apocalyptic number.

212110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212110200 is an abundant number, since it is smaller than the sum of its proper divisors (500232600).

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

212110200 is a wasteful number, since it uses less digits than its factorization.

212110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117861 (or 117849 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 212110200 is about 14564.0035704472. The cubic root of 212110200 is about 596.3764943970.

Adding to 212110200 its reverse (2011212), we get a palindrome (214121412).

It can be divided in two parts, 2121 and 10200, that added together give a palindrome (12321).

The spelling of 212110200 in words is "two hundred twelve million, one hundred ten thousand, two hundred".