203043212 has 12 divisors (see below), whose sum is σ = 362030256. Its totient is φ = 99606000.

The previous prime is 203043209. The next prime is 203043221. The reversal of 203043212 is 212340302.

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 3 ways as a sum of consecutive naturals, for example, 478664 + ... + 479087.

It is an arithmetic number, because the mean of its divisors is an integer number (30169188).

Almost surely, 2^203043212 is an apocalyptic number.

It is an amenable number.

203043212 is a deficient number, since it is larger than the sum of its proper divisors (158987044).

203043212 is a wasteful number, since it uses less digits than its factorization.

203043212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957808 (or 957806 counting only the distinct ones).

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

The square root of 203043212 is about 14249.3232119985. The cubic root of 203043212 is about 587.7547645339.

Adding to 203043212 its reverse (212340302), we get a palindrome (415383514).

The spelling of 203043212 in words is "two hundred three million, forty-three thousand, two hundred twelve".