18063787012 has 12 divisors (see below), whose sum is σ = 32986046016. Its totient is φ = 8639202440.

The previous prime is 18063787009. The next prime is 18063787033. The reversal of 18063787012 is 21078736081.

It is a self number, because there is not a number n which added to its sum of digits gives 18063787012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98172664 + ... + 98172847.

It is an arithmetic number, because the mean of its divisors is an integer number (2748837168).

Almost surely, 2^18063787012 is an apocalyptic number.

It is an amenable number.

18063787012 is a deficient number, since it is larger than the sum of its proper divisors (14922259004).

18063787012 is a wasteful number, since it uses less digits than its factorization.

18063787012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196345538 (or 196345536 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The spelling of 18063787012 in words is "eighteen billion, sixty-three million, seven hundred eighty-seven thousand, twelve".