120988287359999 has 4 divisors (see below), whose sum is σ = 120993613274664. Its totient is φ = 120982961445336.

The previous prime is 120988287359969. The next prime is 120988287360013. The reversal of 120988287359999 is 999953782889021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120988287359999 - 2⁴⁰ = 119888775732223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120988287359959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2662923257 + ... + 2662968690.

It is an arithmetic number, because the mean of its divisors is an integer number (30248403318666).

Almost surely, 2^{120988287359999} is an apocalyptic number.

120988287359999 is a deficient number, since it is larger than the sum of its proper divisors (5325914665).

120988287359999 is an equidigital number, since it uses as much as digits as its factorization.

120988287359999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325914664.

The product of its (nonzero) digits is 12697896960, while the sum is 89.

The spelling of 120988287359999 in words is "one hundred twenty trillion, nine hundred eighty-eight billion, two hundred eighty-seven million, three hundred fifty-nine thousand, nine hundred ninety-nine".