203043012200 has 96 divisors (see below), whose sum is σ = 571250491200. Its totient is φ = 65519754240.

The previous prime is 203043012199. The next prime is 203043012209. The reversal of 203043012200 is 2210340302.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (203043012209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4241810 + ... + 4289409.

It is an arithmetic number, because the mean of its divisors is an integer number (5950525950).

Almost surely, 2^203043012200 is an apocalyptic number.

203043012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203043012200 is an abundant number, since it is smaller than the sum of its proper divisors (368207479000).

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

203043012200 is a wasteful number, since it uses less digits than its factorization.

203043012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8531259 (or 8531250 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 203043012200 its reverse (2210340302), we get a palindrome (205253352502).

The spelling of 203043012200 in words is "two hundred three billion, forty-three million, twelve thousand, two hundred".