12008159947 has 8 divisors (see below), whose sum is σ = 13726858752. Its totient is φ = 10290273000.

The previous prime is 12008159869. The next prime is 12008159951. The reversal of 12008159947 is 74995180021.

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

It is not a de Polignac number, because 12008159947 - 2³¹ = 9860676299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12008159897 and 12008159906.

It is not an unprimeable number, because it can be changed into a prime (12008159047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170929 + ... + 230722.

It is an arithmetic number, because the mean of its divisors is an integer number (1715857344).

Almost surely, 2^12008159947 is an apocalyptic number.

12008159947 is a deficient number, since it is larger than the sum of its proper divisors (1718698805).

12008159947 is an equidigital number, since it uses as much as digits as its factorization.

12008159947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405929.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 12008159947 in words is "twelve billion, eight million, one hundred fifty-nine thousand, nine hundred forty-seven".