120223031100 has 36 divisors (see below), whose sum is σ = 347845304184. Its totient is φ = 32059474880.

The previous prime is 120223031063. The next prime is 120223031177. The reversal of 120223031100 is 1130322021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120223031100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200371419 + ... + 200372018.

Almost surely, 2^120223031100 is an apocalyptic number.

120223031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120223031100 is an abundant number, since it is smaller than the sum of its proper divisors (227622273084).

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

120223031100 is a wasteful number, since it uses less digits than its factorization.

120223031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400743454 (or 400743447 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120223031100 its reverse (1130322021), we get a palindrome (121353353121).

The spelling of 120223031100 in words is "one hundred twenty billion, two hundred twenty-three million, thirty-one thousand, one hundred".