12055645546 has 32 divisors (see below), whose sum is σ = 22148248320. Its totient is φ = 4808491776.

The previous prime is 12055645543. The next prime is 12055645549. The reversal of 12055645546 is 64554655021.

12055645546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12055645543) and next prime (12055645549).

It is not an unprimeable number, because it can be changed into a prime (12055645543) 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 15 ways as a sum of consecutive naturals, for example, 494031 + ... + 517858.

It is an arithmetic number, because the mean of its divisors is an integer number (692132760).

Almost surely, 2^12055645546 is an apocalyptic number.

12055645546 is a deficient number, since it is larger than the sum of its proper divisors (10092602774).

12055645546 is a wasteful number, since it uses less digits than its factorization.

12055645546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011958.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 12055645546 in words is "twelve billion, fifty-five million, six hundred forty-five thousand, five hundred forty-six".