203030332112 has 80 divisors (see below), whose sum is σ = 425938452480. Its totient is φ = 93476169600.

The previous prime is 203030332097. The next prime is 203030332117. The reversal of 203030332112 is 211233030302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203030332117) 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, 2132339 + ... + 2225517.

It is an arithmetic number, because the mean of its divisors is an integer number (5324230656).

Almost surely, 2^203030332112 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 203030332112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212969226240).

203030332112 is an abundant number, since it is smaller than the sum of its proper divisors (222908120368).

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

203030332112 is a wasteful number, since it uses less digits than its factorization.

203030332112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93432 (or 93426 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 203030332112 its reverse (211233030302), we get a palindrome (414263362414).

The spelling of 203030332112 in words is "two hundred three billion, thirty million, three hundred thirty-two thousand, one hundred twelve".