12126426013206 has 20 divisors (see below), whose sum is σ = 27172176807732. Its totient is φ = 4042142004348.

The previous prime is 12126426013189. The next prime is 12126426013241. The reversal of 12126426013206 is 60231062462121.

12126426013206 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 6 + 42 + 601 + 3 + 2 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37427240620 + ... + 37427240943.

Almost surely, 2^{12126426013206} is an apocalyptic number.

12126426013206 is an abundant number, since it is smaller than the sum of its proper divisors (15045750794526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12126426013206 is an equidigital number, since it uses as much as digits as its factorization.

12126426013206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74854481577 (or 74854481568 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 12126426013206 its reverse (60231062462121), we get a palindrome (72357488475327).

The spelling of 12126426013206 in words is "twelve trillion, one hundred twenty-six billion, four hundred twenty-six million, thirteen thousand, two hundred six".