12846112237909 has 2 divisors, whose sum is σ = 12846112237910. Its totient is φ = 12846112237908.

The previous prime is 12846112237823. The next prime is 12846112237957. The reversal of 12846112237909 is 90973221164821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9895113922500 + 2950998315409 = 3145650^2 + 1717847^2 .

It is a cyclic number.

It is not a de Polignac number, because 12846112237909 - 2¹⁵ = 12846112205141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12846112237909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12846112232909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6423056118954 + 6423056118955.

It is an arithmetic number, because the mean of its divisors is an integer number (6423056118955).

Almost surely, 2^{12846112237909} is an apocalyptic number.

It is an amenable number.

12846112237909 is a deficient number, since it is larger than the sum of its proper divisors (1).

12846112237909 is an equidigital number, since it uses as much as digits as its factorization.

12846112237909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 12846112237909 in words is "twelve trillion, eight hundred forty-six billion, one hundred twelve million, two hundred thirty-seven thousand, nine hundred nine".