200203212 has 72 divisors (see below), whose sum is σ = 517084848. Its totient is φ = 60241280.

The previous prime is 200203193. The next prime is 200203217. The reversal of 200203212 is 212302002.

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

It is not an unprimeable number, because it can be changed into a prime (200203217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250798 + ... + 251594.

It is an arithmetic number, because the mean of its divisors is an integer number (7181734).

Almost surely, 2^200203212 is an apocalyptic number.

200203212 is a gapful number since it is divisible by the number (22) 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 200203212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258542424).

200203212 is an abundant number, since it is smaller than the sum of its proper divisors (316881636).

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

200203212 is a wasteful number, since it uses less digits than its factorization.

200203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 200203212 is about 14149.3184288149. The cubic root of 200203212 is about 585.0015457626.

Adding to 200203212 its reverse (212302002), we get a palindrome (412505214).

It can be divided in two parts, 20020 and 3212, that added together give a palindrome (23232).

The spelling of 200203212 in words is "two hundred million, two hundred three thousand, two hundred twelve".