12019609159 has 4 divisors (see below), whose sum is σ = 12312770400. Its totient is φ = 11726447920.

The previous prime is 12019609157. The next prime is 12019609163. The reversal of 12019609159 is 95190691021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12019609159 - 2¹ = 12019609157 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 (12019609157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146580559 + ... + 146580640.

It is an arithmetic number, because the mean of its divisors is an integer number (3078192600).

Almost surely, 2^12019609159 is an apocalyptic number.

12019609159 is a deficient number, since it is larger than the sum of its proper divisors (293161241).

12019609159 is an equidigital number, since it uses as much as digits as its factorization.

12019609159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293161240.

The product of its (nonzero) digits is 43740, while the sum is 43.

The spelling of 12019609159 in words is "twelve billion, nineteen million, six hundred nine thousand, one hundred fifty-nine".