13227112500 has 288 divisors, whose sum is σ = 45199607040. Its totient is φ = 2947200000.

The previous prime is 13227112453. The next prime is 13227112501. The reversal of 13227112500 is 521172231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13227112501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10761886 + ... + 10763114.

It is an arithmetic number, because the mean of its divisors is an integer number (156943080).

Almost surely, 2^13227112500 is an apocalyptic number.

13227112500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13227112500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22599803520).

13227112500 is an abundant number, since it is smaller than the sum of its proper divisors (31972494540).

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

13227112500 is a wasteful number, since it uses less digits than its factorization.

13227112500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309 (or 1287 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 13227112500 its reverse (521172231), we get a palindrome (13748284731).

The spelling of 13227112500 in words is "thirteen billion, two hundred twenty-seven million, one hundred twelve thousand, five hundred".