203112032342444 has 12 divisors (see below), whose sum is σ = 355446567075768. Its totient is φ = 101555870320800.

The previous prime is 203112032342407. The next prime is 203112032342447. The reversal of 203112032342444 is 444243230211302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (203112032342447) 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 3 ways as a sum of consecutive naturals, for example, 33298742 + ... + 38923389.

It is an arithmetic number, because the mean of its divisors is an integer number (29620547256314).

Almost surely, 2^{203112032342444} is an apocalyptic number.

It is an amenable number.

203112032342444 is a deficient number, since it is larger than the sum of its proper divisors (152334534733324).

203112032342444 is a wasteful number, since it uses less digits than its factorization.

203112032342444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72925216 (or 72925214 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 203112032342444 its reverse (444243230211302), we get a palindrome (647355262553746).

The spelling of 203112032342444 in words is "two hundred three trillion, one hundred twelve billion, thirty-two million, three hundred forty-two thousand, four hundred forty-four".