12040255001 has 4 divisors (see below), whose sum is σ = 12128140212. Its totient is φ = 11952369792.

The previous prime is 12040254983. The next prime is 12040255039. The reversal of 12040255001 is 10055204021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10055204021 = 1097 ⋅9166093.

It can be written as a sum of positive squares in 2 ways, for example, as 6451944976 + 5588310025 = 80324^2 + 74755^2 .

It is a cyclic number.

It is not a de Polignac number, because 12040255001 - 2³⁰ = 10966513177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12040255501) 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, 43942400 + ... + 43942673.

It is an arithmetic number, because the mean of its divisors is an integer number (3032035053).

Almost surely, 2^12040255001 is an apocalyptic number.

It is an amenable number.

12040255001 is a deficient number, since it is larger than the sum of its proper divisors (87885211).

12040255001 is an equidigital number, since it uses as much as digits as its factorization.

12040255001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87885210.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 12040255001 its reverse (10055204021), we get a palindrome (22095459022).

The spelling of 12040255001 in words is "twelve billion, forty million, two hundred fifty-five thousand, one".