203211212000 has 96 divisors (see below), whose sum is σ = 499453063200. Its totient is φ = 81257932800.

The previous prime is 203211211949. The next prime is 203211212011. The reversal of 203211212000 is 212112302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16189727 + ... + 16202273.

It is an arithmetic number, because the mean of its divisors is an integer number (5202636075).

Almost surely, 2^203211212000 is an apocalyptic number.

203211212000 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 203211212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249726531600).

203211212000 is an abundant number, since it is smaller than the sum of its proper divisors (296241851200).

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

203211212000 is a wasteful number, since it uses less digits than its factorization.

203211212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16621 (or 16603 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 203211212000 its reverse (212112302), we get a palindrome (203423324302).

It can be divided in two parts, 20321 and 1212000, that added together give a palindrome (1232321).

The spelling of 203211212000 in words is "two hundred three billion, two hundred eleven million, two hundred twelve thousand".