12525443112 has 576 divisors, whose sum is σ = 43259443200. Its totient is φ = 3000291840.

The previous prime is 12525443111. The next prime is 12525443137. The reversal of 12525443112 is 21134452521.

It is a self number, because there is not a number n which added to its sum of digits gives 12525443112.

It is not an unprimeable number, because it can be changed into a prime (12525443111) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 117060163 + ... + 117060269.

It is an arithmetic number, because the mean of its divisors is an integer number (75103200).

Almost surely, 2^12525443112 is an apocalyptic number.

12525443112 is a gapful number since it is divisible by the number (12) 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 12525443112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21629721600).

12525443112 is an abundant number, since it is smaller than the sum of its proper divisors (30734000088).

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

12525443112 is a wasteful number, since it uses less digits than its factorization.

12525443112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 182 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

Adding to 12525443112 its reverse (21134452521), we get a palindrome (33659895633).

The spelling of 12525443112 in words is "twelve billion, five hundred twenty-five million, four hundred forty-three thousand, one hundred twelve".