12426230256541 has 4 divisors (see below), whose sum is σ = 13157184977532. Its totient is φ = 11695275535552.

The previous prime is 12426230256533. The next prime is 12426230256551. The reversal of 12426230256541 is 14565203262421.

12426230256541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11224148260516 + 1202081996025 = 3350246^2 + 1096395^2 .

It is a cyclic number.

It is not a de Polignac number, because 12426230256541 - 2³ = 12426230256533 is a prime.

It is a super-2 number, since 2×12426230256541² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426230256551) 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, 365477360470 + ... + 365477360503.

It is an arithmetic number, because the mean of its divisors is an integer number (3289296244383).

Almost surely, 2^{12426230256541} is an apocalyptic number.

It is an amenable number.

12426230256541 is a deficient number, since it is larger than the sum of its proper divisors (730954720991).

12426230256541 is an equidigital number, since it uses as much as digits as its factorization.

12426230256541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730954720990.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 12426230256541 in words is "twelve trillion, four hundred twenty-six billion, two hundred thirty million, two hundred fifty-six thousand, five hundred forty-one".