12406246146457 has 2 divisors, whose sum is σ = 12406246146458. Its totient is φ = 12406246146456.

The previous prime is 12406246146451. The next prime is 12406246146517. The reversal of 12406246146457 is 75464164260421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11133273262336 + 1272972884121 = 3336656^2 + 1128261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12406246146457 is a prime.

It is not a weakly prime, because it can be changed into another prime (12406246146451) 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, 6203123073228 + 6203123073229.

It is an arithmetic number, because the mean of its divisors is an integer number (6203123073229).

Almost surely, 2^{12406246146457} is an apocalyptic number.

It is an amenable number.

12406246146457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12406246146457 is an equidigital number, since it uses as much as digits as its factorization.

12406246146457 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 52.

The spelling of 12406246146457 in words is "twelve trillion, four hundred six billion, two hundred forty-six million, one hundred forty-six thousand, four hundred fifty-seven".