120103232112 has 120 divisors (see below), whose sum is σ = 352023562800. Its totient is φ = 39637900800.

The previous prime is 120103232089. The next prime is 120103232131. The reversal of 120103232112 is 211232301021.

120103232112 is a `hidden beast` number, since 120 + 10 + 323 + 211 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239764 + ... + 545612.

It is an arithmetic number, because the mean of its divisors is an integer number (2933529690).

Almost surely, 2^120103232112 is an apocalyptic number.

120103232112 is a gapful number since it is divisible by the number (12) 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 120103232112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176011781400).

120103232112 is an abundant number, since it is smaller than the sum of its proper divisors (231920330688).

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

120103232112 is a wasteful number, since it uses less digits than its factorization.

120103232112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305973 (or 305955 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120103232112 its reverse (211232301021), we get a palindrome (331335533133).

The spelling of 120103232112 in words is "one hundred twenty billion, one hundred three million, two hundred thirty-two thousand, one hundred twelve".