12041312311 has 4 divisors (see below), whose sum is σ = 13761499792. Its totient is φ = 10321124832.

The previous prime is 12041312209. The next prime is 12041312321. The reversal of 12041312311 is 11321314021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11321314021 = 293 ⋅38639297.

It is a cyclic number.

It is not a de Polignac number, because 12041312311 - 2²⁷ = 11907094583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12041312321) 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, 860093730 + ... + 860093743.

It is an arithmetic number, because the mean of its divisors is an integer number (3440374948).

Almost surely, 2^12041312311 is an apocalyptic number.

12041312311 is a deficient number, since it is larger than the sum of its proper divisors (1720187481).

12041312311 is an equidigital number, since it uses as much as digits as its factorization.

12041312311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720187480.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12041312311 its reverse (11321314021), we get a palindrome (23362626332).

The spelling of 12041312311 in words is "twelve billion, forty-one million, three hundred twelve thousand, three hundred eleven".