65220112123139 has 2 divisors, whose sum is σ = 65220112123140. Its totient is φ = 65220112123138.

The previous prime is 65220112123073. The next prime is 65220112123169. The reversal of 65220112123139 is 93132121102256.

65220112123139 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 a de Polignac number, because none of the positive numbers 2^k-65220112123139 is a prime.

It is not a weakly prime, because it can be changed into another prime (65220112123169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32610056061569 + 32610056061570.

It is an arithmetic number, because the mean of its divisors is an integer number (32610056061570).

Almost surely, 2^{65220112123139} is an apocalyptic number.

65220112123139 is a deficient number, since it is larger than the sum of its proper divisors (1).

65220112123139 is an equidigital number, since it uses as much as digits as its factorization.

65220112123139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 65220112123139 in words is "sixty-five trillion, two hundred twenty billion, one hundred twelve million, one hundred twenty-three thousand, one hundred thirty-nine".