12047203671 has 16 divisors (see below), whose sum is σ = 16449062400. Its totient is φ = 7840692288.

The previous prime is 12047203667. The next prime is 12047203759. The reversal of 12047203671 is 17630274021.

It is not a de Polignac number, because 12047203671 - 2² = 12047203667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047203621) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 264481 + ... + 306666.

It is an arithmetic number, because the mean of its divisors is an integer number (1028066400).

Almost surely, 2^12047203671 is an apocalyptic number.

12047203671 is a deficient number, since it is larger than the sum of its proper divisors (4401858729).

12047203671 is an equidigital number, since it uses as much as digits as its factorization.

12047203671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571318.

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 12047203671 its reverse (17630274021), we get a palindrome (29677477692).

The spelling of 12047203671 in words is "twelve billion, forty-seven million, two hundred three thousand, six hundred seventy-one".