13203204112 has 80 divisors (see below), whose sum is σ = 29721669120. Its totient is φ = 5565136896.

The previous prime is 13203204089. The next prime is 13203204149. The reversal of 13203204112 is 21140230231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13203204112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1920393 + ... + 1927255.

It is an arithmetic number, because the mean of its divisors is an integer number (371520864).

Almost surely, 2^13203204112 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 13203204112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14860834560).

13203204112 is an abundant number, since it is smaller than the sum of its proper divisors (16518465008).

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

13203204112 is a wasteful number, since it uses less digits than its factorization.

13203204112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160 (or 7154 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13203204112 its reverse (21140230231), we get a palindrome (34343434343).

The spelling of 13203204112 in words is "thirteen billion, two hundred three million, two hundred four thousand, one hundred twelve".