130112212 has 24 divisors (see below), whose sum is σ = 236887560. Its totient is φ = 62455680.

The previous prime is 130112197. The next prime is 130112221. The reversal of 130112212 is 212211031.

It can be written as a sum of positive squares in 4 ways, for example, as 15376 + 130096836 = 124^2 + 11406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130112192 and 130112201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17898 + ... + 24094.

It is an arithmetic number, because the mean of its divisors is an integer number (9870315).

Almost surely, 2^130112212 is an apocalyptic number.

It is an amenable number.

130112212 is a deficient number, since it is larger than the sum of its proper divisors (106775348).

130112212 is a wasteful number, since it uses less digits than its factorization.

130112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6411 (or 6409 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 130112212 is about 11406.6740112971. The cubic root of 130112212 is about 506.7254146637.

Adding to 130112212 its reverse (212211031), we get a palindrome (342323243).

The spelling of 130112212 in words is "one hundred thirty million, one hundred twelve thousand, two hundred twelve".