12047404475 has 6 divisors (see below), whose sum is σ = 14938781580. Its totient is φ = 9637923560.

The previous prime is 12047404451. The next prime is 12047404493. The reversal of 12047404475 is 57440474021.

It is a happy number.

It is not a de Polignac number, because 12047404475 - 2⁸ = 12047404219 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 240948065 + ... + 240948114.

It is an arithmetic number, because the mean of its divisors is an integer number (2489796930).

Almost surely, 2^12047404475 is an apocalyptic number.

12047404475 is a deficient number, since it is larger than the sum of its proper divisors (2891377105).

12047404475 is an equidigital number, since it uses as much as digits as its factorization.

12047404475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481896189 (or 481896184 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 38.

Adding to 12047404475 its reverse (57440474021), we get a palindrome (69487878496).

The spelling of 12047404475 in words is "twelve billion, forty-seven million, four hundred four thousand, four hundred seventy-five".