12005285324879 has 16 divisors (see below), whose sum is σ = 15286088641536. Its totient is φ = 9155730170400.

The previous prime is 12005285324803. The next prime is 12005285324881. The reversal of 12005285324879 is 97842358250021.

12005285324879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12005285324879 - 2²⁰ = 12005284276303 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 (12005285344879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658643152 + ... + 1658650389.

It is an arithmetic number, because the mean of its divisors is an integer number (955380540096).

Almost surely, 2^{12005285324879} is an apocalyptic number.

12005285324879 is a deficient number, since it is larger than the sum of its proper divisors (3280803316657).

12005285324879 is a wasteful number, since it uses less digits than its factorization.

12005285324879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317293606.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 12005285324879 in words is "twelve trillion, five billion, two hundred eighty-five million, three hundred twenty-four thousand, eight hundred seventy-nine".