12425478436601 has 2 divisors, whose sum is σ = 12425478436602. Its totient is φ = 12425478436600.

The previous prime is 12425478436543. The next prime is 12425478436673. The reversal of 12425478436601 is 10663487452421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6974094004201 + 5451384432400 = 2640851^2 + 2334820^2 .

It is a cyclic number.

It is not a de Polignac number, because 12425478436601 - 2⁴² = 8027431925497 is a prime.

It is not a weakly prime, because it can be changed into another prime (12425478438601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6212739218300 + 6212739218301.

It is an arithmetic number, because the mean of its divisors is an integer number (6212739218301).

Almost surely, 2^{12425478436601} is an apocalyptic number.

It is an amenable number.

12425478436601 is a deficient number, since it is larger than the sum of its proper divisors (1).

12425478436601 is an equidigital number, since it uses as much as digits as its factorization.

12425478436601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 12425478436601 in words is "twelve trillion, four hundred twenty-five billion, four hundred seventy-eight million, four hundred thirty-six thousand, six hundred one".