1245113412203 has 2 divisors, whose sum is σ = 1245113412204. Its totient is φ = 1245113412202.

The previous prime is 1245113412073. The next prime is 1245113412209. The reversal of 1245113412203 is 3022143115421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1245113412203 - 2²⁶ = 1245046303339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1245113412209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622556706101 + 622556706102.

It is an arithmetic number, because the mean of its divisors is an integer number (622556706102).

Almost surely, 2^{1245113412203} is an apocalyptic number.

1245113412203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245113412203 is an equidigital number, since it uses as much as digits as its factorization.

1245113412203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1245113412203 its reverse (3022143115421), we get a palindrome (4267256527624).

The spelling of 1245113412203 in words is "one trillion, two hundred forty-five billion, one hundred thirteen million, four hundred twelve thousand, two hundred three".