12627054421 has 2 divisors, whose sum is σ = 12627054422. Its totient is φ = 12627054420.

The previous prime is 12627054413. The next prime is 12627054439. The reversal of 12627054421 is 12445072621.

12627054421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12108581521 + 518472900 = 110039^2 + 22770^2 .

It is an emirp because it is prime and its reverse (12445072621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12627054421 - 2³ = 12627054413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12627054821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6313527210 + 6313527211.

It is an arithmetic number, because the mean of its divisors is an integer number (6313527211).

Almost surely, 2^12627054421 is an apocalyptic number.

It is an amenable number.

12627054421 is a deficient number, since it is larger than the sum of its proper divisors (1).

12627054421 is an equidigital number, since it uses as much as digits as its factorization.

12627054421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 12627054421 in words is "twelve billion, six hundred twenty-seven million, fifty-four thousand, four hundred twenty-one".