130443612 has 48 divisors (see below), whose sum is σ = 334774272. Its totient is φ = 39280320.

The previous prime is 130443589. The next prime is 130443613. The reversal of 130443612 is 216344031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130443613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1564 + ... + 16227.

It is an arithmetic number, because the mean of its divisors is an integer number (6974464).

Almost surely, 2^130443612 is an apocalyptic number.

130443612 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 130443612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167387136).

130443612 is an abundant number, since it is smaller than the sum of its proper divisors (204330660).

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

130443612 is a wasteful number, since it uses less digits than its factorization.

130443612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17858 (or 17856 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 130443612 is about 11421.1913564216. The cubic root of 130443612 is about 507.1552652465.

Adding to 130443612 its reverse (216344031), we get a palindrome (346787643).

The spelling of 130443612 in words is "one hundred thirty million, four hundred forty-three thousand, six hundred twelve".