12004144211 has 4 divisors (see below), whose sum is σ = 12230637552. Its totient is φ = 11777650872.

The previous prime is 12004144171. The next prime is 12004144219. The reversal of 12004144211 is 11244140021.

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 12004144211 - 2⁶ = 12004144147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12004144219) 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, 113246591 + ... + 113246696.

It is an arithmetic number, because the mean of its divisors is an integer number (3057659388).

Almost surely, 2^12004144211 is an apocalyptic number.

12004144211 is a deficient number, since it is larger than the sum of its proper divisors (226493341).

12004144211 is an equidigital number, since it uses as much as digits as its factorization.

12004144211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226493340.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12004144211 its reverse (11244140021), we get a palindrome (23248284232).

The spelling of 12004144211 in words is "twelve billion, four million, one hundred forty-four thousand, two hundred eleven".