212230322200 has 192 divisors, whose sum is σ = 564820724160. Its totient is φ = 73467985920.

The previous prime is 212230322147. The next prime is 212230322201. The reversal of 212230322200 is 2223032212.

212230322200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212230322200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212230322201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11615472 + ... + 11633728.

It is an arithmetic number, because the mean of its divisors is an integer number (2941774605).

Almost surely, 2^212230322200 is an apocalyptic number.

212230322200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212230322200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282410362080).

212230322200 is an abundant number, since it is smaller than the sum of its proper divisors (352590401960).

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

212230322200 is a wasteful number, since it uses less digits than its factorization.

212230322200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18566 (or 18557 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 212230322200 its reverse (2223032212), we get a palindrome (214453354412).

The spelling of 212230322200 in words is "two hundred twelve billion, two hundred thirty million, three hundred twenty-two thousand, two hundred".