12421443112241 has 4 divisors (see below), whose sum is σ = 12422626230000. Its totient is φ = 12420259994484.

The previous prime is 12421443112237. The next prime is 12421443112259. The reversal of 12421443112241 is 14221134412421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12421443112241 - 2² = 12421443112237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12421443112198 and 12421443112207.

It is not an unprimeable number, because it can be changed into a prime (12421443112261) 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, 591543131 + ... + 591564128.

It is an arithmetic number, because the mean of its divisors is an integer number (3105656557500).

Almost surely, 2^{12421443112241} is an apocalyptic number.

It is an amenable number.

12421443112241 is a deficient number, since it is larger than the sum of its proper divisors (1183117759).

12421443112241 is a wasteful number, since it uses less digits than its factorization.

12421443112241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183117758.

The product of its digits is 12288, while the sum is 32.

Adding to 12421443112241 its reverse (14221134412421), we get a palindrome (26642577524662).

The spelling of 12421443112241 in words is "twelve trillion, four hundred twenty-one billion, four hundred forty-three million, one hundred twelve thousand, two hundred forty-one".