12241040445 has 24 divisors (see below), whose sum is σ = 21473446176. Its totient is φ = 6449895648.

The previous prime is 12241040419. The next prime is 12241040477. The reversal of 12241040445 is 54404014221.

12241040445 is a `hidden beast` number, since 12 + 241 + 0 + 404 + 4 + 5 = 666.

It is not a de Polignac number, because 12241040445 - 2¹³ = 12241032253 is a prime.

It is a super-2 number, since 2×12241040445² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1634959 + ... + 1642428.

It is an arithmetic number, because the mean of its divisors is an integer number (894726924).

Almost surely, 2^12241040445 is an apocalyptic number.

12241040445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12241040445 is a deficient number, since it is larger than the sum of its proper divisors (9232405731).

12241040445 is a wasteful number, since it uses less digits than its factorization.

12241040445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277481 (or 3277478 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 12241040445 its reverse (54404014221), we get a palindrome (66645054666).

The spelling of 12241040445 in words is "twelve billion, two hundred forty-one million, forty thousand, four hundred forty-five".