203212044 has 96 divisors (see below), whose sum is σ = 604531200. Its totient is φ = 57827520.

The previous prime is 203212021. The next prime is 203212073. The reversal of 203212044 is 440212302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293739 + ... + 294429.

It is an arithmetic number, because the mean of its divisors is an integer number (6297200).

Almost surely, 2^203212044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203212044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302265600).

203212044 is an abundant number, since it is smaller than the sum of its proper divisors (401319156).

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

203212044 is a wasteful number, since it uses less digits than its factorization.

203212044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 203212044 is about 14255.2461921918. The cubic root of 203212044 is about 587.9176269448.

Adding to 203212044 its reverse (440212302), we get a palindrome (643424346).

The spelling of 203212044 in words is "two hundred three million, two hundred twelve thousand, forty-four".