13230203312 has 80 divisors (see below), whose sum is σ = 27068743680. Its totient is φ = 6256224000.

The previous prime is 13230203297. The next prime is 13230203317. The reversal of 13230203312 is 21330203231.

It is not an unprimeable number, because it can be changed into a prime (13230203317) 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, 3955913 + ... + 3959255.

It is an arithmetic number, because the mean of its divisors is an integer number (338359296).

Almost surely, 2^13230203312 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 13230203312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13534371840).

13230203312 is an abundant number, since it is smaller than the sum of its proper divisors (13838540368).

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

13230203312 is a wasteful number, since it uses less digits than its factorization.

13230203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562 (or 3556 counting only the distinct ones).

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

Adding to 13230203312 its reverse (21330203231), we get a palindrome (34560406543).

The spelling of 13230203312 in words is "thirteen billion, two hundred thirty million, two hundred three thousand, three hundred twelve".