12541012241 has 4 divisors (see below), whose sum is σ = 12589810212. Its totient is φ = 12492214272.

The previous prime is 12541012219. The next prime is 12541012243. The reversal of 12541012241 is 14221014521.

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 7082905600 + 5458106641 = 84160^2 + 73879^2 .

It is a cyclic number.

It is not a de Polignac number, because 12541012241 - 2¹⁸ = 12540750097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12541012243) 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, 24398600 + ... + 24399113.

It is an arithmetic number, because the mean of its divisors is an integer number (3147452553).

Almost surely, 2^12541012241 is an apocalyptic number.

It is an amenable number.

12541012241 is a deficient number, since it is larger than the sum of its proper divisors (48797971).

12541012241 is an equidigital number, since it uses as much as digits as its factorization.

12541012241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48797970.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 12541012241 its reverse (14221014521), we get a palindrome (26762026762).

The spelling of 12541012241 in words is "twelve billion, five hundred forty-one million, twelve thousand, two hundred forty-one".