12320634461 has 2 divisors, whose sum is σ = 12320634462. Its totient is φ = 12320634460.

The previous prime is 12320634367. The next prime is 12320634463. The reversal of 12320634461 is 16443602321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6688131961 + 5632502500 = 81781^2 + 75050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12320634461 is a prime.

Together with 12320634463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12320634463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160317230 + 6160317231.

It is an arithmetic number, because the mean of its divisors is an integer number (6160317231).

Almost surely, 2^12320634461 is an apocalyptic number.

It is an amenable number.

12320634461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320634461 is an equidigital number, since it uses as much as digits as its factorization.

12320634461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 12320634461 in words is "twelve billion, three hundred twenty million, six hundred thirty-four thousand, four hundred sixty-one".