12725346899 has 2 divisors, whose sum is σ = 12725346900. Its totient is φ = 12725346898.

The previous prime is 12725346847. The next prime is 12725346901. The reversal of 12725346899 is 99864352721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12725346899 - 2¹² = 12725342803 is a prime.

Together with 12725346901, 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 (12725346199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6362673449 + 6362673450.

It is an arithmetic number, because the mean of its divisors is an integer number (6362673450).

Almost surely, 2^12725346899 is an apocalyptic number.

12725346899 is a deficient number, since it is larger than the sum of its proper divisors (1).

12725346899 is an equidigital number, since it uses as much as digits as its factorization.

12725346899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 56.

The spelling of 12725346899 in words is "twelve billion, seven hundred twenty-five million, three hundred forty-six thousand, eight hundred ninety-nine".