12120628427 has 2 divisors, whose sum is σ = 12120628428. Its totient is φ = 12120628426.

The previous prime is 12120628393. The next prime is 12120628451. The reversal of 12120628427 is 72482602121.

12120628427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12120628427 - 2⁸ = 12120628171 is a prime.

It is not a weakly prime, because it can be changed into another prime (12120628027) 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, 6060314213 + 6060314214.

It is an arithmetic number, because the mean of its divisors is an integer number (6060314214).

Almost surely, 2^12120628427 is an apocalyptic number.

12120628427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12120628427 is an equidigital number, since it uses as much as digits as its factorization.

12120628427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 12120628427 in words is "twelve billion, one hundred twenty million, six hundred twenty-eight thousand, four hundred twenty-seven".