212200211100 has 72 divisors (see below), whose sum is σ = 633771324928. Its totient is φ = 54761342400.

The previous prime is 212200211063. The next prime is 212200211141. The reversal of 212200211100 is 1112002212.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 11399314 + ... + 11417913.

Almost surely, 2^212200211100 is an apocalyptic number.

212200211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212200211100 is an abundant number, since it is smaller than the sum of its proper divisors (421571113828).

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

212200211100 is a wasteful number, since it uses less digits than its factorization.

212200211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22817275 (or 22817268 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212200211100 its reverse (1112002212), we get a palindrome (213312213312).

The spelling of 212200211100 in words is "two hundred twelve billion, two hundred million, two hundred eleven thousand, one hundred".