120203232100 has 288 divisors, whose sum is σ = 319779532800. Its totient is φ = 38305612800.

The previous prime is 120203232077. The next prime is 120203232133. The reversal of 120203232100 is 1232302021.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 244812855 + ... + 244813345.

It is an arithmetic number, because the mean of its divisors is an integer number (1110345600).

Almost surely, 2^120203232100 is an apocalyptic number.

120203232100 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 120203232100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159889766400).

120203232100 is an abundant number, since it is smaller than the sum of its proper divisors (199576300700).

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

120203232100 is a wasteful number, since it uses less digits than its factorization.

120203232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 120203232100 its reverse (1232302021), we get a palindrome (121435534121).

The spelling of 120203232100 in words is "one hundred twenty billion, two hundred three million, two hundred thirty-two thousand, one hundred".