13230440112 has 20 divisors (see below), whose sum is σ = 34178637080. Its totient is φ = 4410146688.

The previous prime is 13230440081. The next prime is 13230440123. The reversal of 13230440112 is 21104403231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137817037 + ... + 137817132.

It is an arithmetic number, because the mean of its divisors is an integer number (1708931854).

Almost surely, 2^13230440112 is an apocalyptic number.

13230440112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13230440112 is an abundant number, since it is smaller than the sum of its proper divisors (20948196968).

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

13230440112 is a wasteful number, since it uses less digits than its factorization.

13230440112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275634180 (or 275634174 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13230440112 its reverse (21104403231), we get a palindrome (34334843343).

The spelling of 13230440112 in words is "thirteen billion, two hundred thirty million, four hundred forty thousand, one hundred twelve".