12549364127 has 2 divisors, whose sum is σ = 12549364128. Its totient is φ = 12549364126.

The previous prime is 12549364117. The next prime is 12549364151. The reversal of 12549364127 is 72146394521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12549364127 - 2³⁰ = 11475622303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12549364117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6274682063 + 6274682064.

It is an arithmetic number, because the mean of its divisors is an integer number (6274682064).

Almost surely, 2^12549364127 is an apocalyptic number.

12549364127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12549364127 is an equidigital number, since it uses as much as digits as its factorization.

12549364127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The spelling of 12549364127 in words is "twelve billion, five hundred forty-nine million, three hundred sixty-four thousand, one hundred twenty-seven".