12725421248 has 56 divisors (see below), whose sum is σ = 26567245824. Its totient is φ = 6039705600.

The previous prime is 12725421223. The next prime is 12725421257. The reversal of 12725421248 is 84212452721.

It is a happy number.

12725421248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31553 + ... + 162623.

It is an arithmetic number, because the mean of its divisors is an integer number (474415104).

Almost surely, 2^12725421248 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 12725421248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13283622912).

12725421248 is an abundant number, since it is smaller than the sum of its proper divisors (13841824576).

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

12725421248 is a wasteful number, since it uses less digits than its factorization.

12725421248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131161 (or 131151 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

Adding to 12725421248 its reverse (84212452721), we get a palindrome (96937873969).

The spelling of 12725421248 in words is "twelve billion, seven hundred twenty-five million, four hundred twenty-one thousand, two hundred forty-eight".