120200021120 has 32 divisors (see below), whose sum is σ = 287353177020. Its totient is φ = 48080008192.

The previous prime is 120200021107. The next prime is 120200021213. The reversal of 120200021120 is 21120002021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107946416704 + 12253604416 = 328552^2 + 110696^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 93905627 + ... + 93906906.

Almost surely, 2^120200021120 is an apocalyptic number.

120200021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120200021120 is an abundant number, since it is smaller than the sum of its proper divisors (167153155900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120200021120 is an equidigital number, since it uses as much as digits as its factorization.

120200021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187812552 (or 187812540 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120200021120 its reverse (21120002021), we get a palindrome (141320023141).

The spelling of 120200021120 in words is "one hundred twenty billion, two hundred million, twenty-one thousand, one hundred twenty".