12072544556 has 12 divisors (see below), whose sum is σ = 21697951968. Its totient is φ = 5873129712.

The previous prime is 12072544513. The next prime is 12072544559. The reversal of 12072544556 is 65544527021.

12072544556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12072544559) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 40785476 + ... + 40785771.

It is an arithmetic number, because the mean of its divisors is an integer number (1808162664).

Almost surely, 2^12072544556 is an apocalyptic number.

It is an amenable number.

12072544556 is a deficient number, since it is larger than the sum of its proper divisors (9625407412).

12072544556 is a wasteful number, since it uses less digits than its factorization.

12072544556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81571288 (or 81571286 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 41.

The spelling of 12072544556 in words is "twelve billion, seventy-two million, five hundred forty-four thousand, five hundred fifty-six".