120104203120 has 120 divisors (see below), whose sum is σ = 312728296608. Its totient is φ = 42850030080.

The previous prime is 120104203039. The next prime is 120104203127. The reversal of 120104203120 is 21302401021.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 120104203094 and 120104203103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120104203127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395989 + ... + 630091.

Almost surely, 2^120104203120 is an apocalyptic number.

120104203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120104203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156364148304).

120104203120 is an abundant number, since it is smaller than the sum of its proper divisors (192624093488).

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

120104203120 is a wasteful number, since it uses less digits than its factorization.

120104203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234191 (or 234174 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120104203120 its reverse (21302401021), we get a palindrome (141406604141).

The spelling of 120104203120 in words is "one hundred twenty billion, one hundred four million, two hundred three thousand, one hundred twenty".