12101654879 has 2 divisors, whose sum is σ = 12101654880. Its totient is φ = 12101654878.

The previous prime is 12101654869. The next prime is 12101654897. The reversal of 12101654879 is 97845610121.

12101654879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (12101654897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12101654879 - 2⁸ = 12101654623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12101654869) 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, 6050827439 + 6050827440.

It is an arithmetic number, because the mean of its divisors is an integer number (6050827440).

Almost surely, 2^12101654879 is an apocalyptic number.

12101654879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101654879 is an equidigital number, since it uses as much as digits as its factorization.

12101654879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 12101654879 in words is "twelve billion, one hundred one million, six hundred fifty-four thousand, eight hundred seventy-nine".