203530212 has 24 divisors (see below), whose sum is σ = 527671200. Its totient is φ = 67843368.

The previous prime is 203530183. The next prime is 203530231. The reversal of 203530212 is 212035302.

203530212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942162 + ... + 942377.

It is an arithmetic number, because the mean of its divisors is an integer number (21986300).

Almost surely, 2^203530212 is an apocalyptic number.

It is an amenable number.

203530212 is an abundant number, since it is smaller than the sum of its proper divisors (324140988).

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

203530212 is a wasteful number, since it uses less digits than its factorization.

203530212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884552 (or 1884544 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 203530212 is about 14266.4015084393. The cubic root of 203530212 is about 588.2243000996.

Adding to 203530212 its reverse (212035302), we get a palindrome (415565514).

The spelling of 203530212 in words is "two hundred three million, five hundred thirty thousand, two hundred twelve".