12434420303 has 2 divisors, whose sum is σ = 12434420304. Its totient is φ = 12434420302.

The previous prime is 12434420237. The next prime is 12434420311. The reversal of 12434420303 is 30302443421.

12434420303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (30302443421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12434420303 - 2¹² = 12434416207 is a prime.

It is a super-3 number, since 3×12434420303³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12434420353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6217210151 + 6217210152.

It is an arithmetic number, because the mean of its divisors is an integer number (6217210152).

Almost surely, 2^12434420303 is an apocalyptic number.

12434420303 is a deficient number, since it is larger than the sum of its proper divisors (1).

12434420303 is an equidigital number, since it uses as much as digits as its factorization.

12434420303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 12434420303 its reverse (30302443421), we get a palindrome (42736863724).

The spelling of 12434420303 in words is "twelve billion, four hundred thirty-four million, four hundred twenty thousand, three hundred three".