12426256205241 has 16 divisors (see below), whose sum is σ = 16723356444864. Its totient is φ = 8206664963904.

The previous prime is 12426256205219. The next prime is 12426256205243. The reversal of 12426256205241 is 14250265262421.

It is a happy number.

It is not a de Polignac number, because 12426256205241 - 2⁷ = 12426256205113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12426256205193 and 12426256205202.

It is not an unprimeable number, because it can be changed into a prime (12426256205243) 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 15 ways as a sum of consecutive naturals, for example, 58255515 + ... + 58468431.

It is an arithmetic number, because the mean of its divisors is an integer number (1045209777804).

Almost surely, 2^{12426256205241} is an apocalyptic number.

It is an amenable number.

12426256205241 is a deficient number, since it is larger than the sum of its proper divisors (4297100239623).

12426256205241 is a wasteful number, since it uses less digits than its factorization.

12426256205241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394840.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 12426256205241 in words is "twelve trillion, four hundred twenty-six billion, two hundred fifty-six million, two hundred five thousand, two hundred forty-one".