12126914413 has 2 divisors, whose sum is σ = 12126914414. Its totient is φ = 12126914412.

The previous prime is 12126914411. The next prime is 12126914417. The reversal of 12126914413 is 31441962121.

12126914413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6952557924 + 5174356489 = 83382^2 + 71933^2 .

It is an emirp because it is prime and its reverse (31441962121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12126914413 - 2¹ = 12126914411 is a prime.

Together with 12126914411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12126914411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6063457206 + 6063457207.

It is an arithmetic number, because the mean of its divisors is an integer number (6063457207).

Almost surely, 2^12126914413 is an apocalyptic number.

It is an amenable number.

12126914413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12126914413 is an equidigital number, since it uses as much as digits as its factorization.

12126914413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The spelling of 12126914413 in words is "twelve billion, one hundred twenty-six million, nine hundred fourteen thousand, four hundred thirteen".