120220208987 has 2 divisors, whose sum is σ = 120220208988. Its totient is φ = 120220208986.

The previous prime is 120220208971. The next prime is 120220209001. The reversal of 120220208987 is 789802022021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120220208987 - 2⁴ = 120220208971 is a prime.

It is not a weakly prime, because it can be changed into another prime (120220208957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110104493 + 60110104494.

It is an arithmetic number, because the mean of its divisors is an integer number (60110104494).

Almost surely, 2^120220208987 is an apocalyptic number.

120220208987 is a deficient number, since it is larger than the sum of its proper divisors (1).

120220208987 is an equidigital number, since it uses as much as digits as its factorization.

120220208987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 41.

The spelling of 120220208987 in words is "one hundred twenty billion, two hundred twenty million, two hundred eight thousand, nine hundred eighty-seven".