12036836018 has 32 divisors (see below), whose sum is σ = 18587943936. Its totient is φ = 5843109888.

The previous prime is 12036836011. The next prime is 12036836033. The reversal of 12036836018 is 81063863021.

It is not an unprimeable number, because it can be changed into a prime (12036836011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8399030 + ... + 8400462.

It is an arithmetic number, because the mean of its divisors is an integer number (580873248).

Almost surely, 2^12036836018 is an apocalyptic number.

12036836018 is a deficient number, since it is larger than the sum of its proper divisors (6551107918).

12036836018 is a wasteful number, since it uses less digits than its factorization.

12036836018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 12036836018 in words is "twelve billion, thirty-six million, eight hundred thirty-six thousand, eighteen".