12043441001 has 4 divisors (see below), whose sum is σ = 12458732100. Its totient is φ = 11628149904.

The previous prime is 12043440979. The next prime is 12043441009. The reversal of 12043441001 is 10014434021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10014434021 = 2087 ⋅4798483.

It can be written as a sum of positive squares in 2 ways, for example, as 4026029401 + 8017411600 = 63451^2 + 89540^2 .

It is a cyclic number.

It is not a de Polignac number, because 12043441001 - 2¹⁸ = 12043178857 is a prime.

It is a super-2 number, since 2×12043441001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12043441009) 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, 207645506 + ... + 207645563.

It is an arithmetic number, because the mean of its divisors is an integer number (3114683025).

Almost surely, 2^12043441001 is an apocalyptic number.

It is an amenable number.

12043441001 is a deficient number, since it is larger than the sum of its proper divisors (415291099).

12043441001 is an equidigital number, since it uses as much as digits as its factorization.

12043441001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415291098.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12043441001 its reverse (10014434021), we get a palindrome (22057875022).

The spelling of 12043441001 in words is "twelve billion, forty-three million, four hundred forty-one thousand, one".