212200100 has 36 divisors (see below), whose sum is σ = 526257984. Its totient is φ = 72754080.

The previous prime is 212200081. The next prime is 212200111. The reversal of 212200100 is 1002212.

212200100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150872 + ... + 152271.

Almost surely, 2^212200100 is an apocalyptic number.

212200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212200100 is an abundant number, since it is smaller than the sum of its proper divisors (314057884).

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

212200100 is a wasteful number, since it uses less digits than its factorization.

212200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303164 (or 303157 counting only the distinct ones).

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

The square root of 212200100 is about 14567.0896200991. The cubic root of 212200100 is about 596.4607378297.

Adding to 212200100 its reverse (1002212), we get a palindrome (213202312).

The spelling of 212200100 in words is "two hundred twelve million, two hundred thousand, one hundred".