12065459999 has 8 divisors (see below), whose sum is σ = 12348559872. Its totient is φ = 11782474200.

The previous prime is 12065459993. The next prime is 12065460013. The reversal of 12065459999 is 99995456021.

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 12065459999 - 2⁴ = 12065459983 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 (12065459993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208274 + ... + 259824.

It is an arithmetic number, because the mean of its divisors is an integer number (1543569984).

Almost surely, 2^12065459999 is an apocalyptic number.

12065459999 is a deficient number, since it is larger than the sum of its proper divisors (283099873).

12065459999 is an equidigital number, since it uses as much as digits as its factorization.

12065459999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57037.

The product of its (nonzero) digits is 7873200, while the sum is 59.

The spelling of 12065459999 in words is "twelve billion, sixty-five million, four hundred fifty-nine thousand, nine hundred ninety-nine".