12101443253899 has 2 divisors, whose sum is σ = 12101443253900. Its totient is φ = 12101443253898.

The previous prime is 12101443253849. The next prime is 12101443254149. The reversal of 12101443253899 is 99835234410121.

12101443253899 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 is a cyclic number.

It is not a de Polignac number, because 12101443253899 - 2¹⁹ = 12101442729611 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101443253849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050721626949 + 6050721626950.

It is an arithmetic number, because the mean of its divisors is an integer number (6050721626950).

Almost surely, 2^{12101443253899} is an apocalyptic number.

12101443253899 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101443253899 is an equidigital number, since it uses as much as digits as its factorization.

12101443253899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 12101443253899 in words is "twelve trillion, one hundred one billion, four hundred forty-three million, two hundred fifty-three thousand, eight hundred ninety-nine".