203201232012 has 72 divisors (see below), whose sum is σ = 544360614000. Its totient is φ = 65548751040.

The previous prime is 203201231971. The next prime is 203201232019. The reversal of 203201232012 is 210232102302.

203201232012 is a `hidden beast` number, since 2 + 0 + 320 + 12 + 320 + 12 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (203201232019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 875137 + ... + 1082712.

Almost surely, 2^203201232012 is an apocalyptic number.

It is an amenable number.

203201232012 is an abundant number, since it is smaller than the sum of its proper divisors (341159381988).

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

203201232012 is a wasteful number, since it uses less digits than its factorization.

203201232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957924 (or 1957885 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 203201232012 its reverse (210232102302), we get a palindrome (413433334314).

The spelling of 203201232012 in words is "two hundred three billion, two hundred one million, two hundred thirty-two thousand, twelve".