12421132352113 has 2 divisors, whose sum is σ = 12421132352114. Its totient is φ = 12421132352112.

The previous prime is 12421132352059. The next prime is 12421132352129. The reversal of 12421132352113 is 31125323112421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11016072988209 + 1405059363904 = 3319047^2 + 1185352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12421132352113 is a prime.

It is not a weakly prime, because it can be changed into another prime (12421132752113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6210566176056 + 6210566176057.

It is an arithmetic number, because the mean of its divisors is an integer number (6210566176057).

Almost surely, 2^{12421132352113} is an apocalyptic number.

It is an amenable number.

12421132352113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12421132352113 is an equidigital number, since it uses as much as digits as its factorization.

12421132352113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

Adding to 12421132352113 its reverse (31125323112421), we get a palindrome (43546455464534).

The spelling of 12421132352113 in words is "twelve trillion, four hundred twenty-one billion, one hundred thirty-two million, three hundred fifty-two thousand, one hundred thirteen".