130542212 has 24 divisors (see below), whose sum is σ = 231607320. Its totient is φ = 64373760.

The previous prime is 130542199. The next prime is 130542241. The reversal of 130542212 is 212245031.

It can be written as a sum of positive squares in 4 ways, for example, as 53348416 + 77193796 = 7304^2 + 8786^2 .

It is a super-2 number, since 2×130542212² = 34082538227705888, which contains 22 as substring.

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, 197162 + ... + 197822.

It is an arithmetic number, because the mean of its divisors is an integer number (9650305).

Almost surely, 2^130542212 is an apocalyptic number.

It is an amenable number.

130542212 is a deficient number, since it is larger than the sum of its proper divisors (101065108).

130542212 is a wasteful number, since it uses less digits than its factorization.

130542212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 130542212 is about 11425.5070784626. The cubic root of 130542212 is about 507.2830162705.

Adding to 130542212 its reverse (212245031), we get a palindrome (342787243).

The spelling of 130542212 in words is "one hundred thirty million, five hundred forty-two thousand, two hundred twelve".