12056542063 has 16 divisors (see below), whose sum is σ = 12779735040. Its totient is φ = 11350237536.

The previous prime is 12056542061. The next prime is 12056542079. The reversal of 12056542063 is 36024565021.

It is a cyclic number.

It is not a de Polignac number, because 12056542063 - 2¹ = 12056542061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12056542061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2214781 + ... + 2220217.

It is an arithmetic number, because the mean of its divisors is an integer number (798733440).

Almost surely, 2^12056542063 is an apocalyptic number.

12056542063 is a deficient number, since it is larger than the sum of its proper divisors (723192977).

12056542063 is a wasteful number, since it uses less digits than its factorization.

12056542063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 12056542063 in words is "twelve billion, fifty-six million, five hundred forty-two thousand, sixty-three".