203211143112 has 32 divisors (see below), whose sum is σ = 515610367200. Its totient is φ = 66726046464.

The previous prime is 203211143111. The next prime is 203211143159. The reversal of 203211143112 is 211341112302.

It is not an unprimeable number, because it can be changed into a prime (203211143111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63185937 + ... + 63189152.

It is an arithmetic number, because the mean of its divisors is an integer number (16112823975).

Almost surely, 2^203211143112 is an apocalyptic number.

It is an amenable number.

203211143112 is an abundant number, since it is smaller than the sum of its proper divisors (312399224088).

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

203211143112 is a wasteful number, since it uses less digits than its factorization.

203211143112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126375165 (or 126375161 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 203211143112 its reverse (211341112302), we get a palindrome (414552255414).

The spelling of 203211143112 in words is "two hundred three billion, two hundred eleven million, one hundred forty-three thousand, one hundred twelve".