12004120511 has 8 divisors (see below), whose sum is σ = 12182043984. Its totient is φ = 11826561600.

The previous prime is 12004120489. The next prime is 12004120517. The reversal of 12004120511 is 11502140021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12004120511 - 2¹⁰ = 12004119487 is a prime.

It is a super-2 number, since 2×12004120511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12004120511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004120517) 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 7 ways as a sum of consecutive naturals, for example, 24440 + ... + 156861.

It is an arithmetic number, because the mean of its divisors is an integer number (1522755498).

Almost surely, 2^12004120511 is an apocalyptic number.

12004120511 is a deficient number, since it is larger than the sum of its proper divisors (177923473).

12004120511 is an equidigital number, since it uses as much as digits as its factorization.

12004120511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182281.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 12004120511 its reverse (11502140021), we get a palindrome (23506260532).

The spelling of 12004120511 in words is "twelve billion, four million, one hundred twenty thousand, five hundred eleven".