112100123130 has 64 divisors (see below), whose sum is σ = 287632021248. Its totient is φ = 27861765120.

The previous prime is 112100123129. The next prime is 112100123137. The reversal of 112100123130 is 31321001211.

It is a happy number.

It is a super-2 number, since 2×112100123130² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (112100123137) 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, 1014481 + ... + 1119540.

It is an arithmetic number, because the mean of its divisors is an integer number (4494250332).

Almost surely, 2^112100123130 is an apocalyptic number.

112100123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112100123130 is an abundant number, since it is smaller than the sum of its proper divisors (175531898118).

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

112100123130 is a wasteful number, since it uses less digits than its factorization.

112100123130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134151.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 112100123130 its reverse (31321001211), we get a palindrome (143421124341).

The spelling of 112100123130 in words is "one hundred twelve billion, one hundred million, one hundred twenty-three thousand, one hundred thirty".