100112232 has 96 divisors (see below), whose sum is σ = 281625120. Its totient is φ = 29410560.

The previous prime is 100112231. The next prime is 100112239. The reversal of 100112232 is 232211001.

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

It is not an unprimeable number, because it can be changed into a prime (100112231) 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 23 ways as a sum of consecutive naturals, for example, 361278 + ... + 361554.

It is an arithmetic number, because the mean of its divisors is an integer number (2933595).

Almost surely, 2^100112232 is an apocalyptic number.

100112232 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 100112232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140812560).

100112232 is an abundant number, since it is smaller than the sum of its proper divisors (181512888).

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

100112232 is a wasteful number, since it uses less digits than its factorization.

100112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 330 counting only the distinct ones).

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

The square root of 100112232 is about 10005.6100263802. The cubic root of 100112232 is about 464.3324633727.

Adding to 100112232 its reverse (232211001), we get a palindrome (332323233).

The spelling of 100112232 in words is "one hundred million, one hundred twelve thousand, two hundred thirty-two".