130712217 has 16 divisors (see below), whose sum is σ = 182138880. Its totient is φ = 83300112.

The previous prime is 130712209. The next prime is 130712221. The reversal of 130712217 is 712217031.

It is not a de Polignac number, because 130712217 - 2³ = 130712209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130712237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4717 + ... + 16842.

It is an arithmetic number, because the mean of its divisors is an integer number (11383680).

Almost surely, 2^130712217 is an apocalyptic number.

It is an amenable number.

130712217 is a deficient number, since it is larger than the sum of its proper divisors (51426663).

130712217 is a wasteful number, since it uses less digits than its factorization.

130712217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21652.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 130712217 is about 11432.9443714207. The cubic root of 130712217 is about 507.5031321444.

Adding to 130712217 its reverse (712217031), we get a palindrome (842929248).

The spelling of 130712217 in words is "one hundred thirty million, seven hundred twelve thousand, two hundred seventeen".