1312122303103 has 2 divisors, whose sum is σ = 1312122303104. Its totient is φ = 1312122303102.

The previous prime is 1312122303049. The next prime is 1312122303199. The reversal of 1312122303103 is 3013032212131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312122303103 - 2³³ = 1303532368511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312122303403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656061151551 + 656061151552.

It is an arithmetic number, because the mean of its divisors is an integer number (656061151552).

Almost surely, 2^{1312122303103} is an apocalyptic number.

1312122303103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312122303103 is an equidigital number, since it uses as much as digits as its factorization.

1312122303103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1312122303103 its reverse (3013032212131), we get a palindrome (4325154515234).

The spelling of 1312122303103 in words is "one trillion, three hundred twelve billion, one hundred twenty-two million, three hundred three thousand, one hundred three".