12434420512313 has 2 divisors, whose sum is σ = 12434420512314. Its totient is φ = 12434420512312.

The previous prime is 12434420512247. The next prime is 12434420512351. The reversal of 12434420512313 is 31321502443421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9337834189369 + 3096586322944 = 3055787^2 + 1759712^2 .

It is an emirp because it is prime and its reverse (31321502443421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12434420512313 - 2⁸ = 12434420512057 is a prime.

It is a super-2 number, since 2×12434420512313² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12434420512513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6217210256156 + 6217210256157.

It is an arithmetic number, because the mean of its divisors is an integer number (6217210256157).

Almost surely, 2^{12434420512313} is an apocalyptic number.

It is an amenable number.

12434420512313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12434420512313 is an equidigital number, since it uses as much as digits as its factorization.

12434420512313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 12434420512313 its reverse (31321502443421), we get a palindrome (43755922955734).

The spelling of 12434420512313 in words is "twelve trillion, four hundred thirty-four billion, four hundred twenty million, five hundred twelve thousand, three hundred thirteen".