120021330985 has 4 divisors (see below), whose sum is σ = 144025597188. Its totient is φ = 96017064784.

The previous prime is 120021330971. The next prime is 120021331019. The reversal of 120021330985 is 589033120021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46704396544 + 73316934441 = 216112^2 + 270771^2 .

It is a cyclic number.

It is not a de Polignac number, because 120021330985 - 2⁵ = 120021330953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120021330985.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12002133094 + ... + 12002133103.

It is an arithmetic number, because the mean of its divisors is an integer number (36006399297).

Almost surely, 2^120021330985 is an apocalyptic number.

It is an amenable number.

120021330985 is a deficient number, since it is larger than the sum of its proper divisors (24004266203).

120021330985 is an equidigital number, since it uses as much as digits as its factorization.

120021330985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24004266202.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 120021330985 in words is "one hundred twenty billion, twenty-one million, three hundred thirty thousand, nine hundred eighty-five".