12065562065605 has 4 divisors (see below), whose sum is σ = 14478674478732. Its totient is φ = 9652449652480.

The previous prime is 12065562065503. The next prime is 12065562065617. The reversal of 12065562065605 is 50656026556021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2850215074564 + 9215346991041 = 1688258^2 + 3035679^2 .

It is not a de Polignac number, because 12065562065605 - 2¹⁷ = 12065561934533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206556206556 + ... + 1206556206565.

It is an arithmetic number, because the mean of its divisors is an integer number (3619668619683).

Almost surely, 2^{12065562065605} is an apocalyptic number.

It is an amenable number.

12065562065605 is a deficient number, since it is larger than the sum of its proper divisors (2413112413127).

12065562065605 is an equidigital number, since it uses as much as digits as its factorization.

12065562065605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413112413126.

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 12065562065605 in words is "twelve trillion, sixty-five billion, five hundred sixty-two million, sixty-five thousand, six hundred five".