12426254266 has 4 divisors (see below), whose sum is σ = 18639381402. Its totient is φ = 6213127132.

The previous prime is 12426254249. The next prime is 12426254287. The reversal of 12426254266 is 66245262421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10067112225 + 2359142041 = 100335^2 + 48571^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3106563565 + ... + 3106563568.

Almost surely, 2^12426254266 is an apocalyptic number.

12426254266 is a deficient number, since it is larger than the sum of its proper divisors (6213127136).

12426254266 is an equidigital number, since it uses as much as digits as its factorization.

12426254266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213127135.

The product of its digits is 276480, while the sum is 40.

The spelling of 12426254266 in words is "twelve billion, four hundred twenty-six million, two hundred fifty-four thousand, two hundred sixty-six".