12256725526 has 4 divisors (see below), whose sum is σ = 18385088292. Its totient is φ = 6128362762.

The previous prime is 12256725517. The next prime is 12256725539. The reversal of 12256725526 is 62552765221.

12256725526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3064181380 + ... + 3064181383.

It is an arithmetic number, because the mean of its divisors is an integer number (4596272073).

Almost surely, 2^12256725526 is an apocalyptic number.

12256725526 is a deficient number, since it is larger than the sum of its proper divisors (6128362766).

12256725526 is an equidigital number, since it uses as much as digits as its factorization.

12256725526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128362765.

The product of its digits is 504000, while the sum is 43.

The spelling of 12256725526 in words is "twelve billion, two hundred fifty-six million, seven hundred twenty-five thousand, five hundred twenty-six".