12421234313 has 2 divisors, whose sum is σ = 12421234314. Its totient is φ = 12421234312.

The previous prime is 12421234303. The next prime is 12421234339. The reversal of 12421234313 is 31343212421.

It is an a-pointer prime, because the next prime (12421234339) can be obtained adding 12421234313 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11311811449 + 1109422864 = 106357^2 + 33308^2 .

It is a cyclic number.

It is not a de Polignac number, because 12421234313 - 2¹⁰ = 12421233289 is a prime.

It is not a weakly prime, because it can be changed into another prime (12421234303) 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, 6210617156 + 6210617157.

It is an arithmetic number, because the mean of its divisors is an integer number (6210617157).

Almost surely, 2^12421234313 is an apocalyptic number.

It is an amenable number.

12421234313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12421234313 is an equidigital number, since it uses as much as digits as its factorization.

12421234313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

Adding to 12421234313 its reverse (31343212421), we get a palindrome (43764446734).

The spelling of 12421234313 in words is "twelve billion, four hundred twenty-one million, two hundred thirty-four thousand, three hundred thirteen".