12047110945 has 24 divisors (see below), whose sum is σ = 15542118144. Its totient is φ = 8961390336.

The previous prime is 12047110927. The next prime is 12047110969. The reversal of 12047110945 is 54901174021.

It is not a de Polignac number, because 12047110945 - 2²¹ = 12045013793 is a prime.

It is a super-2 number, since 2×12047110945² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12047110945.

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 23 ways as a sum of consecutive naturals, for example, 69712 + ... + 170158.

It is an arithmetic number, because the mean of its divisors is an integer number (647588256).

Almost surely, 2^12047110945 is an apocalyptic number.

It is an amenable number.

12047110945 is a deficient number, since it is larger than the sum of its proper divisors (3495007199).

12047110945 is a wasteful number, since it uses less digits than its factorization.

12047110945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100569 (or 100552 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

Adding to 12047110945 its reverse (54901174021), we get a palindrome (66948284966).

The spelling of 12047110945 in words is "twelve billion, forty-seven million, one hundred ten thousand, nine hundred forty-five".