12043402241 has 4 divisors (see below), whose sum is σ = 12969817812. Its totient is φ = 11116986672.

The previous prime is 12043402213. The next prime is 12043402243. The reversal of 12043402241 is 14220434021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6873073216 + 5170329025 = 82904^2 + 71905^2 .

It is a cyclic number.

It is not a de Polignac number, because 12043402241 - 2⁶ = 12043402177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12043402243) 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, 463207766 + ... + 463207791.

It is an arithmetic number, because the mean of its divisors is an integer number (3242454453).

Almost surely, 2^12043402241 is an apocalyptic number.

It is an amenable number.

12043402241 is a deficient number, since it is larger than the sum of its proper divisors (926415571).

12043402241 is an equidigital number, since it uses as much as digits as its factorization.

12043402241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926415570.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12043402241 its reverse (14220434021), we get a palindrome (26263836262).

The spelling of 12043402241 in words is "twelve billion, forty-three million, four hundred two thousand, two hundred forty-one".