12345313211513 has 2 divisors, whose sum is σ = 12345313211514. Its totient is φ = 12345313211512.

The previous prime is 12345313211507. The next prime is 12345313211573. The reversal of 12345313211513 is 31511231354321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8831517973369 + 3513795238144 = 2971787^2 + 1874512^2 .

It is a cyclic number.

It is not a de Polignac number, because 12345313211513 - 2¹⁴ = 12345313195129 is a prime.

It is not a weakly prime, because it can be changed into another prime (12345313211573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172656605756 + 6172656605757.

It is an arithmetic number, because the mean of its divisors is an integer number (6172656605757).

Almost surely, 2^{12345313211513} is an apocalyptic number.

It is an amenable number.

12345313211513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12345313211513 is an equidigital number, since it uses as much as digits as its factorization.

12345313211513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

Adding to 12345313211513 its reverse (31511231354321), we get a palindrome (43856544565834).

The spelling of 12345313211513 in words is "twelve trillion, three hundred forty-five billion, three hundred thirteen million, two hundred eleven thousand, five hundred thirteen".