130012443 has 36 divisors (see below), whose sum is σ = 207645984. Its totient is φ = 78328800.

The previous prime is 130012439. The next prime is 130012451. The reversal of 130012443 is 344210031.

It is not a de Polignac number, because 130012443 - 2² = 130012439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130012403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 301438 + ... + 301868.

It is an arithmetic number, because the mean of its divisors is an integer number (5767944).

Almost surely, 2^130012443 is an apocalyptic number.

130012443 is a deficient number, since it is larger than the sum of its proper divisors (77633541).

130012443 is a wasteful number, since it uses less digits than its factorization.

130012443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130012443 is about 11402.2998995817. The cubic root of 130012443 is about 506.5958638848.

Adding to 130012443 its reverse (344210031), we get a palindrome (474222474).

The spelling of 130012443 in words is "one hundred thirty million, twelve thousand, four hundred forty-three".