12413422121 has 2 divisors, whose sum is σ = 12413422122. Its totient is φ = 12413422120.

The previous prime is 12413422111. The next prime is 12413422141. The reversal of 12413422121 is 12122431421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11894083600 + 519338521 = 109060^2 + 22789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12413422121 is a prime.

It is not a weakly prime, because it can be changed into another prime (12413422111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206711060 + 6206711061.

It is an arithmetic number, because the mean of its divisors is an integer number (6206711061).

Almost surely, 2^12413422121 is an apocalyptic number.

It is an amenable number.

12413422121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12413422121 is an equidigital number, since it uses as much as digits as its factorization.

12413422121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

Adding to 12413422121 its reverse (12122431421), we get a palindrome (24535853542).

The spelling of 12413422121 in words is "twelve billion, four hundred thirteen million, four hundred twenty-two thousand, one hundred twenty-one".