12004063571 has 4 divisors (see below), whose sum is σ = 12168502872. Its totient is φ = 11839624272.

The previous prime is 12004063559. The next prime is 12004063573. The reversal of 12004063571 is 17536040021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12004063571 - 2¹⁸ = 12003801427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12004063573) 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, 82219541 + ... + 82219686.

It is an arithmetic number, because the mean of its divisors is an integer number (3042125718).

Almost surely, 2^12004063571 is an apocalyptic number.

12004063571 is a deficient number, since it is larger than the sum of its proper divisors (164439301).

12004063571 is an equidigital number, since it uses as much as digits as its factorization.

12004063571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164439300.

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 12004063571 in words is "twelve billion, four million, sixty-three thousand, five hundred seventy-one".