1245113412073 has 2 divisors, whose sum is σ = 1245113412074. Its totient is φ = 1245113412072.

The previous prime is 1245113412041. The next prime is 1245113412203. The reversal of 1245113412073 is 3702143115421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1240799943744 + 4313468329 = 1113912^2 + 65677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245113412073 - 2⁵ = 1245113412041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1245123412073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622556706036 + 622556706037.

It is an arithmetic number, because the mean of its divisors is an integer number (622556706037).

Almost surely, 2^{1245113412073} is an apocalyptic number.

It is an amenable number.

1245113412073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245113412073 is an equidigital number, since it uses as much as digits as its factorization.

1245113412073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 1245113412073 its reverse (3702143115421), we get a palindrome (4947256527494).

The spelling of 1245113412073 in words is "one trillion, two hundred forty-five billion, one hundred thirteen million, four hundred twelve thousand, seventy-three".