12018006771 has 16 divisors (see below), whose sum is σ = 16254908928. Its totient is φ = 7896627200.

The previous prime is 12018006757. The next prime is 12018006773. The reversal of 12018006771 is 17760081021.

It is a cyclic number.

It is not a de Polignac number, because 12018006771 - 2⁵ = 12018006739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12018006773) 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, 846451 + ... + 860531.

It is an arithmetic number, because the mean of its divisors is an integer number (1015931808).

Almost surely, 2^12018006771 is an apocalyptic number.

12018006771 is a deficient number, since it is larger than the sum of its proper divisors (4236902157).

12018006771 is a wasteful number, since it uses less digits than its factorization.

12018006771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18162.

The product of its (nonzero) digits is 4704, while the sum is 33.

Adding to 12018006771 its reverse (17760081021), we get a palindrome (29778087792).

The spelling of 12018006771 in words is "twelve billion, eighteen million, six thousand, seven hundred seventy-one".