12458256101 has 2 divisors, whose sum is σ = 12458256102. Its totient is φ = 12458256100.

The previous prime is 12458256077. The next prime is 12458256157. The reversal of 12458256101 is 10165285421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6735484900 + 5722771201 = 82070^2 + 75649^2 .

It is a cyclic number.

It is not a de Polignac number, because 12458256101 - 2¹⁰ = 12458255077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12458256901) by changing a digit.

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, 6229128050 + 6229128051.

It is an arithmetic number, because the mean of its divisors is an integer number (6229128051).

Almost surely, 2^12458256101 is an apocalyptic number.

It is an amenable number.

12458256101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12458256101 is an equidigital number, since it uses as much as digits as its factorization.

12458256101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 35.

The spelling of 12458256101 in words is "twelve billion, four hundred fifty-eight million, two hundred fifty-six thousand, one hundred one".