12485189786 has 8 divisors (see below), whose sum is σ = 18734013504. Its totient is φ = 6240518620.

The previous prime is 12485189779. The next prime is 12485189789. The reversal of 12485189786 is 68798158421.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12485189789) 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, 1030610 + ... + 1042653.

It is an arithmetic number, because the mean of its divisors is an integer number (2341751688).

Almost surely, 2^12485189786 is an apocalyptic number.

12485189786 is a deficient number, since it is larger than the sum of its proper divisors (6248823718).

12485189786 is a wasteful number, since it uses less digits than its factorization.

12485189786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076276.

The product of its digits is 7741440, while the sum is 59.

The spelling of 12485189786 in words is "twelve billion, four hundred eighty-five million, one hundred eighty-nine thousand, seven hundred eighty-six".