12040441001 has 4 divisors (see below), whose sum is σ = 12051458052. Its totient is φ = 12029423952.

The previous prime is 12040440991. The next prime is 12040441003. The reversal of 12040441001 is 10014404021.

12040441001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10014404021 = 31 ⋅323045291.

It can be written as a sum of positive squares in 2 ways, for example, as 11990031001 + 50410000 = 109499^2 + 7100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12040441001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12040441003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5506886 + ... + 5509071.

It is an arithmetic number, because the mean of its divisors is an integer number (3012864513).

Almost surely, 2^12040441001 is an apocalyptic number.

It is an amenable number.

12040441001 is a deficient number, since it is larger than the sum of its proper divisors (11017051).

12040441001 is a wasteful number, since it uses less digits than its factorization.

12040441001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11017050.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12040441001 its reverse (10014404021), we get a palindrome (22054845022).

The spelling of 12040441001 in words is "twelve billion, forty million, four hundred forty-one thousand, one".