12103434313121 has 2 divisors, whose sum is σ = 12103434313122. Its totient is φ = 12103434313120.

The previous prime is 12103434313111. The next prime is 12103434313273. The reversal of 12103434313121 is 12131343430121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11819403940096 + 284030373025 = 3437936^2 + 532945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12103434313121 is a prime.

It is not a weakly prime, because it can be changed into another prime (12103434313111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051717156560 + 6051717156561.

It is an arithmetic number, because the mean of its divisors is an integer number (6051717156561).

Almost surely, 2^{12103434313121} is an apocalyptic number.

It is an amenable number.

12103434313121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103434313121 is an equidigital number, since it uses as much as digits as its factorization.

12103434313121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 12103434313121 its reverse (12131343430121), we get a palindrome (24234777743242).

The spelling of 12103434313121 in words is "twelve trillion, one hundred three billion, four hundred thirty-four million, three hundred thirteen thousand, one hundred twenty-one".