120203010120 has 128 divisors (see below), whose sum is σ = 369159373440. Its totient is φ = 31294771200.

The previous prime is 120203010029. The next prime is 120203010127. The reversal of 120203010120 is 21010302021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120203010096 and 120203010105.

It is not an unprimeable number, because it can be changed into a prime (120203010127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17029632 + ... + 17036688.

It is an arithmetic number, because the mean of its divisors is an integer number (2884057605).

Almost surely, 2^120203010120 is an apocalyptic number.

120203010120 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 120203010120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184579686720).

120203010120 is an abundant number, since it is smaller than the sum of its proper divisors (248956363320).

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

120203010120 is a wasteful number, since it uses less digits than its factorization.

120203010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415 (or 10411 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 120203010120 its reverse (21010302021), we get a palindrome (141213312141).

The spelling of 120203010120 in words is "one hundred twenty billion, two hundred three million, ten thousand, one hundred twenty".