120131133220 has 48 divisors (see below), whose sum is σ = 294198710400. Its totient is φ = 41187814752.

The previous prime is 120131133217. The next prime is 120131133247. The reversal of 120131133220 is 22331131021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8749054 + ... + 8762773.

It is an arithmetic number, because the mean of its divisors is an integer number (6129139800).

Almost surely, 2^120131133220 is an apocalyptic number.

120131133220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120131133220 is an abundant number, since it is smaller than the sum of its proper divisors (174067577180).

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

120131133220 is a wasteful number, since it uses less digits than its factorization.

120131133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17511857 (or 17511841 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 120131133220 its reverse (22331131021), we get a palindrome (142462264241).

The spelling of 120131133220 in words is "one hundred twenty billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty".