1312445012249 has 12 divisors (see below), whose sum is σ = 1549883043072. Its totient is φ = 1088664059880.

The previous prime is 1312445012231. The next prime is 1312445012257. The reversal of 1312445012249 is 9422105442131.

It is not a de Polignac number, because 1312445012249 - 2⁸ = 1312445011993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312445002249) 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 in 11 ways as a sum of consecutive naturals, for example, 97543817 + ... + 97557270.

It is an arithmetic number, because the mean of its divisors is an integer number (129156920256).

Almost surely, 2^{1312445012249} is an apocalyptic number.

It is an amenable number.

1312445012249 is a deficient number, since it is larger than the sum of its proper divisors (237438030823).

1312445012249 is an equidigital number, since it uses as much as digits as its factorization.

1312445012249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195101156 (or 195101125 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 1312445012249 in words is "one trillion, three hundred twelve billion, four hundred forty-five million, twelve thousand, two hundred forty-nine".