203122324111312 has 40 divisors (see below), whose sum is σ = 410665060771776. Its totient is φ = 97144345199616.

The previous prime is 203122324111297. The next prime is 203122324111331. The reversal of 203122324111312 is 213111423221302.

It is a happy number.

It is a super-2 number, since 2×203122324111312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29420128 + ... + 35662144.

Almost surely, 2^{203122324111312} is an apocalyptic number.

It is an amenable number.

203122324111312 is an abundant number, since it is smaller than the sum of its proper divisors (207542736660464).

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

203122324111312 is a wasteful number, since it uses less digits than its factorization.

203122324111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330475 (or 6330469 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 203122324111312 its reverse (213111423221302), we get a palindrome (416233747332614).

The spelling of 203122324111312 in words is "two hundred three trillion, one hundred twenty-two billion, three hundred twenty-four million, one hundred eleven thousand, three hundred twelve".