12138064159 has 8 divisors (see below), whose sum is σ = 13293317520. Its totient is φ = 11014461696.

The previous prime is 12138064157. The next prime is 12138064189. The reversal of 12138064159 is 95146083121.

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 12138064159 - 2¹ = 12138064157 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 (12138064157) 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, 7911922 + ... + 7913455.

It is an arithmetic number, because the mean of its divisors is an integer number (1661664690).

Almost surely, 2^12138064159 is an apocalyptic number.

12138064159 is a deficient number, since it is larger than the sum of its proper divisors (1155253361).

12138064159 is a wasteful number, since it uses less digits than its factorization.

12138064159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15825449.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 12138064159 in words is "twelve billion, one hundred thirty-eight million, sixty-four thousand, one hundred fifty-nine".