130308212 has 12 divisors (see below), whose sum is σ = 231163716. Its totient is φ = 64261440.

The previous prime is 130308187. The next prime is 130308229. The reversal of 130308212 is 212803031.

It can be written as a sum of positive squares in 2 ways, for example, as 49056016 + 81252196 = 7004^2 + 9014^2 .

It is a super-2 number, since 2×130308212² = 33960460229273888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 222839 + ... + 223422.

It is an arithmetic number, because the mean of its divisors is an integer number (19263643).

Almost surely, 2^130308212 is an apocalyptic number.

It is an amenable number.

130308212 is a deficient number, since it is larger than the sum of its proper divisors (100855504).

130308212 is a wasteful number, since it uses less digits than its factorization.

130308212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446338 (or 446336 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 130308212 is about 11415.2622396509. The cubic root of 130308212 is about 506.9797293837.

The spelling of 130308212 in words is "one hundred thirty million, three hundred eight thousand, two hundred twelve".