203200211312 has 30 divisors (see below), whose sum is σ = 457978029048. Its totient is φ = 87085804512.

The previous prime is 203200211299. The next prime is 203200211317. The reversal of 203200211312 is 213112002302.

It is a super-2 number, since 2×203200211312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203200211317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129591188 + ... + 129592755.

Almost surely, 2^203200211312 is an apocalyptic number.

It is an amenable number.

203200211312 is an abundant number, since it is smaller than the sum of its proper divisors (254777817736).

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

203200211312 is a wasteful number, since it uses less digits than its factorization.

203200211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259183965 (or 259183952 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 203200211312 its reverse (213112002302), we get a palindrome (416312213614).

The spelling of 203200211312 in words is "two hundred three billion, two hundred million, two hundred eleven thousand, three hundred twelve".