12081289859 has 8 divisors (see below), whose sum is σ = 12720696000. Its totient is φ = 11442238632.

The previous prime is 12081289811. The next prime is 12081289861. The reversal of 12081289859 is 95898218021.

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 12081289859 - 2¹² = 12081285763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12081289859.

It is not an unprimeable number, because it can be changed into a prime (12081289889) 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, 17369 + ... + 156410.

It is an arithmetic number, because the mean of its divisors is an integer number (1590087000).

Almost surely, 2^12081289859 is an apocalyptic number.

12081289859 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12081289859 is a deficient number, since it is larger than the sum of its proper divisors (639406141).

12081289859 is a wasteful number, since it uses less digits than its factorization.

12081289859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177457.

The product of its (nonzero) digits is 829440, while the sum is 53.

The spelling of 12081289859 in words is "twelve billion, eighty-one million, two hundred eighty-nine thousand, eight hundred fifty-nine".