12434442127 has 2 divisors, whose sum is σ = 12434442128. Its totient is φ = 12434442126.

The previous prime is 12434442113. The next prime is 12434442169. The reversal of 12434442127 is 72124443421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12434442127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12434442092 and 12434442101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12434442197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6217221063 + 6217221064.

It is an arithmetic number, because the mean of its divisors is an integer number (6217221064).

Almost surely, 2^12434442127 is an apocalyptic number.

12434442127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12434442127 is an equidigital number, since it uses as much as digits as its factorization.

12434442127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 34.

Adding to 12434442127 its reverse (72124443421), we get a palindrome (84558885548).

The spelling of 12434442127 in words is "twelve billion, four hundred thirty-four million, four hundred forty-two thousand, one hundred twenty-seven".