12005313005 has 16 divisors (see below), whose sum is σ = 16467594624. Its totient is φ = 8230632000.

The previous prime is 12005312999. The next prime is 12005313007. The reversal of 12005313005 is 50031350021.

It is not a de Polignac number, because 12005313005 - 2⁴ = 12005312989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005313007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169130 + ... + 229380.

It is an arithmetic number, because the mean of its divisors is an integer number (1029224664).

Almost surely, 2^12005313005 is an apocalyptic number.

It is an amenable number.

12005313005 is a deficient number, since it is larger than the sum of its proper divisors (4462281619).

12005313005 is an equidigital number, since it uses as much as digits as its factorization.

12005313005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65956.

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 12005313005 its reverse (50031350021), we get a palindrome (62036663026).

The spelling of 12005313005 in words is "twelve billion, five million, three hundred thirteen thousand, five".