203113043412 has 48 divisors (see below), whose sum is σ = 477200808000. Its totient is φ = 67237323520.

The previous prime is 203113043327. The next prime is 203113043417. The reversal of 203113043412 is 214340311302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203113043417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18176587 + ... + 18187757.

It is an arithmetic number, because the mean of its divisors is an integer number (9941683500).

Almost surely, 2^203113043412 is an apocalyptic number.

It is an amenable number.

203113043412 is an abundant number, since it is smaller than the sum of its proper divisors (274087764588).

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

203113043412 is a wasteful number, since it uses less digits than its factorization.

203113043412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21496 (or 21494 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 203113043412 its reverse (214340311302), we get a palindrome (417453354714).

The spelling of 203113043412 in words is "two hundred three billion, one hundred thirteen million, forty-three thousand, four hundred twelve".