12128569600559 has 4 divisors (see below), whose sum is σ = 12128581262616. Its totient is φ = 12128557938504.

The previous prime is 12128569600487. The next prime is 12128569600597. The reversal of 12128569600559 is 95500696582121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12128569600559 - 2¹² = 12128569596463 is a prime.

It is a super-2 number, since 2×12128569600559² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12128569600498 and 12128569600507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12128569600159) 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 3 ways as a sum of consecutive naturals, for example, 4099664 + ... + 6408149.

It is an arithmetic number, because the mean of its divisors is an integer number (3032145315654).

Almost surely, 2^{12128569600559} is an apocalyptic number.

12128569600559 is a deficient number, since it is larger than the sum of its proper divisors (11662057).

12128569600559 is a wasteful number, since it uses less digits than its factorization.

12128569600559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662056.

The product of its (nonzero) digits is 11664000, while the sum is 59.

The spelling of 12128569600559 in words is "twelve trillion, one hundred twenty-eight billion, five hundred sixty-nine million, six hundred thousand, five hundred fifty-nine".