130112220 has 96 divisors (see below), whose sum is σ = 440875008. Its totient is φ = 27988992.

The previous prime is 130112197. The next prime is 130112221. The reversal of 130112220 is 22211031.

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

It is a junction number, because it is equal to n+sod(n) for n = 130112196 and 130112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130112221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1972 + ... + 16251.

It is an arithmetic number, because the mean of its divisors is an integer number (4592448).

Almost surely, 2^130112220 is an apocalyptic number.

130112220 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 130112220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220437504).

130112220 is an abundant number, since it is smaller than the sum of its proper divisors (310762788).

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

130112220 is a wasteful number, since it uses less digits than its factorization.

130112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18259 (or 18257 counting only the distinct ones).

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

The square root of 130112220 is about 11406.6743619690. The cubic root of 130112220 is about 506.7254250491.

Adding to 130112220 its reverse (22211031), we get a palindrome (152323251).

The spelling of 130112220 in words is "one hundred thirty million, one hundred twelve thousand, two hundred twenty".