120203112 has 32 divisors (see below), whose sum is σ = 301140000. Its totient is φ = 39983424.

The previous prime is 120203081. The next prime is 120203131. The reversal of 120203112 is 211302021.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6958 + ... + 16994.

It is an arithmetic number, because the mean of its divisors is an integer number (9410625).

Almost surely, 2^120203112 is an apocalyptic number.

120203112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120203112 is an abundant number, since it is smaller than the sum of its proper divisors (180936888).

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

120203112 is a wasteful number, since it uses less digits than its factorization.

120203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10545 (or 10541 counting only the distinct ones).

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

The square root of 120203112 is about 10963.7179825094. The cubic root of 120203112 is about 493.5205453743.

Adding to 120203112 its reverse (211302021), we get a palindrome (331505133).

The spelling of 120203112 in words is "one hundred twenty million, two hundred three thousand, one hundred twelve".