203322221113312 has 192 divisors, whose sum is σ = 485240806600704. Its totient is φ = 81974660106240.

The previous prime is 203322221113247. The next prime is 203322221113321. The reversal of 203322221113312 is 213311122223302.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3712467753 + ... + 3712522519.

It is an arithmetic number, because the mean of its divisors is an integer number (2527295867712).

Almost surely, 2^{203322221113312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203322221113312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242620403300352).

203322221113312 is an abundant number, since it is smaller than the sum of its proper divisors (281918585487392).

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

203322221113312 is a wasteful number, since it uses less digits than its factorization.

203322221113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66681 (or 66673 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 203322221113312 its reverse (213311122223302), we get a palindrome (416633343336614).

The spelling of 203322221113312 in words is "two hundred three trillion, three hundred twenty-two billion, two hundred twenty-one million, one hundred thirteen thousand, three hundred twelve".