120112201221979 has 2 divisors, whose sum is σ = 120112201221980. Its totient is φ = 120112201221978.

The previous prime is 120112201221977. The next prime is 120112201222103. The reversal of 120112201221979 is 979122102211021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120112201221979 - 2¹ = 120112201221977 is a prime.

Together with 120112201221977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120112201221977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60056100610989 + 60056100610990.

It is an arithmetic number, because the mean of its divisors is an integer number (60056100610990).

Almost surely, 2^{120112201221979} is an apocalyptic number.

120112201221979 is a deficient number, since it is larger than the sum of its proper divisors (1).

120112201221979 is an equidigital number, since it uses as much as digits as its factorization.

120112201221979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 120112201221979 in words is "one hundred twenty trillion, one hundred twelve billion, two hundred one million, two hundred twenty-one thousand, nine hundred seventy-nine".