12005656175243 has 16 divisors (see below), whose sum is σ = 12587904481152. Its totient is φ = 11437338024000.

The previous prime is 12005656175221. The next prime is 12005656175341. The reversal of 12005656175243 is 34257165650021.

It is not a de Polignac number, because 12005656175243 - 2¹⁸ = 12005655913099 is a prime.

It is a super-3 number, since 3×12005656175243³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12005656175213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5584748 + ... + 7429718.

It is an arithmetic number, because the mean of its divisors is an integer number (786744030072).

Almost surely, 2^{12005656175243} is an apocalyptic number.

12005656175243 is a deficient number, since it is larger than the sum of its proper divisors (582248305909).

12005656175243 is a wasteful number, since it uses less digits than its factorization.

12005656175243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848746.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 12005656175243 in words is "twelve trillion, five billion, six hundred fifty-six million, one hundred seventy-five thousand, two hundred forty-three".