12065600656009 has 2 divisors, whose sum is σ = 12065600656010. Its totient is φ = 12065600656008.

The previous prime is 12065600655973. The next prime is 12065600656069. The reversal of 12065600656009 is 90065600656021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10720568995984 + 1345031660025 = 3274228^2 + 1159755^2 .

It is a cyclic number.

It is not a de Polignac number, because 12065600656009 - 2¹¹ = 12065600653961 is a prime.

It is a super-2 number, since 2×12065600656009² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12065600656009.

It is not a weakly prime, because it can be changed into another prime (12065600656069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6032800328004 + 6032800328005.

It is an arithmetic number, because the mean of its divisors is an integer number (6032800328005).

Almost surely, 2^{12065600656009} is an apocalyptic number.

It is an amenable number.

12065600656009 is a deficient number, since it is larger than the sum of its proper divisors (1).

12065600656009 is an equidigital number, since it uses as much as digits as its factorization.

12065600656009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 12065600656009 in words is "twelve trillion, sixty-five billion, six hundred million, six hundred fifty-six thousand, nine".