12001071718 has 8 divisors (see below), whose sum is σ = 18014722848. Its totient is φ = 5996164104.

The previous prime is 12001071703. The next prime is 12001071727. The reversal of 12001071718 is 81717010021.

12001071718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2182446 + ... + 2187937.

It is an arithmetic number, because the mean of its divisors is an integer number (2251840356).

Almost surely, 2^12001071718 is an apocalyptic number.

12001071718 is a deficient number, since it is larger than the sum of its proper divisors (6013651130).

12001071718 is a wasteful number, since it uses less digits than its factorization.

12001071718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371758.

The product of its (nonzero) digits is 784, while the sum is 28.

Adding to 12001071718 its reverse (81717010021), we get a palindrome (93718081739).

The spelling of 12001071718 in words is "twelve billion, one million, seventy-one thousand, seven hundred eighteen".