203142221200 has 30 divisors (see below), whose sum is σ = 488049187394. Its totient is φ = 81256888320.

The previous prime is 203142221197. The next prime is 203142221213. The reversal of 203142221200 is 2122241302.

203142221200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 325297296 + 202816923904 = 18036^2 + 450352^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 253927377 + ... + 253928176.

Almost surely, 2^203142221200 is an apocalyptic number.

203142221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203142221200 is an abundant number, since it is smaller than the sum of its proper divisors (284906966194).

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

203142221200 is a wasteful number, since it uses less digits than its factorization.

203142221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507855571 (or 507855560 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 203142221200 its reverse (2122241302), we get a palindrome (205264462502).

The spelling of 203142221200 in words is "two hundred three billion, one hundred forty-two million, two hundred twenty-one thousand, two hundred".