12134325449 has 2 divisors, whose sum is σ = 12134325450. Its totient is φ = 12134325448.

The previous prime is 12134325409. The next prime is 12134325451. The reversal of 12134325449 is 94452343121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11542279225 + 592046224 = 107435^2 + 24332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12134325449 is a prime.

Together with 12134325451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12134325409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6067162724 + 6067162725.

It is an arithmetic number, because the mean of its divisors is an integer number (6067162725).

Almost surely, 2^12134325449 is an apocalyptic number.

It is an amenable number.

12134325449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12134325449 is an equidigital number, since it uses as much as digits as its factorization.

12134325449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The spelling of 12134325449 in words is "twelve billion, one hundred thirty-four million, three hundred twenty-five thousand, four hundred forty-nine".