12031040411 has 4 divisors (see below), whose sum is σ = 12956505072. Its totient is φ = 11105575752.

The previous prime is 12031040363. The next prime is 12031040447. The reversal of 12031040411 is 11404013021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11404013021 = 53 ⋅215170057.

It is a cyclic number.

It is not a de Polignac number, because 12031040411 - 2²⁶ = 11963931547 is a prime.

It is a super-2 number, since 2×12031040411² (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 12031040411.

It is not an unprimeable number, because it can be changed into a prime (12031040911) 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 3 ways as a sum of consecutive naturals, for example, 462732311 + ... + 462732336.

It is an arithmetic number, because the mean of its divisors is an integer number (3239126268).

Almost surely, 2^12031040411 is an apocalyptic number.

12031040411 is a deficient number, since it is larger than the sum of its proper divisors (925464661).

12031040411 is an equidigital number, since it uses as much as digits as its factorization.

12031040411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925464660.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12031040411 its reverse (11404013021), we get a palindrome (23435053432).

The spelling of 12031040411 in words is "twelve billion, thirty-one million, forty thousand, four hundred eleven".