12411220221441 has 24 divisors (see below), whose sum is σ = 18299411358696. Its totient is φ = 8103575773440.

The previous prime is 12411220221391. The next prime is 12411220221457. The reversal of 12411220221441 is 14412202211421.

12411220221441 is a `hidden beast` number, since 1 + 2 + 4 + 1 + 12 + 202 + 2 + 1 + 441 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 199487289600 + 12211732931841 = 446640^2 + 3494529^2 .

It is not a de Polignac number, because 12411220221441 - 2²⁶ = 12411153112577 is a prime.

It is a super-2 number, since 2×12411220221441² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12411220226441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48384870 + ... + 48640703.

It is an arithmetic number, because the mean of its divisors is an integer number (762475473279).

Almost surely, 2^{12411220221441} is an apocalyptic number.

It is an amenable number.

12411220221441 is a deficient number, since it is larger than the sum of its proper divisors (5888191137255).

12411220221441 is a wasteful number, since it uses less digits than its factorization.

12411220221441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97025873 (or 97025870 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

Adding to 12411220221441 its reverse (14412202211421), we get a palindrome (26823422432862).

The spelling of 12411220221441 in words is "twelve trillion, four hundred eleven billion, two hundred twenty million, two hundred twenty-one thousand, four hundred forty-one".