12007565665579 has 8 divisors (see below), whose sum is σ = 13403794231872. Its totient is φ = 10662109047240.

The previous prime is 12007565665523. The next prime is 12007565665597. The reversal of 12007565665579 is 97556656570021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12007565665579 - 2¹⁹ = 12007565141291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12007565665579.

It is not an unprimeable number, because it can be changed into a prime (12007565665279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12692986489 + ... + 12692987434.

It is an arithmetic number, because the mean of its divisors is an integer number (1675474278984).

Almost surely, 2^{12007565665579} is an apocalyptic number.

12007565665579 is a deficient number, since it is larger than the sum of its proper divisors (1396228566293).

12007565665579 is a wasteful number, since it uses less digits than its factorization.

12007565665579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25385973977.

The product of its (nonzero) digits is 119070000, while the sum is 64.

The spelling of 12007565665579 in words is "twelve trillion, seven billion, five hundred sixty-five million, six hundred sixty-five thousand, five hundred seventy-nine".