130031212 has 12 divisors (see below), whose sum is σ = 239531320. Its totient is φ = 61593696.

The previous prime is 130031197. The next prime is 130031233. The reversal of 130031212 is 212130031.

It is a junction number, because it is equal to n+sod(n) for n = 130031192 and 130031201.

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, 855393 + ... + 855544.

Almost surely, 2^130031212 is an apocalyptic number.

It is an amenable number.

130031212 is a deficient number, since it is larger than the sum of its proper divisors (109500108).

130031212 is a wasteful number, since it uses less digits than its factorization.

130031212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710960 (or 1710958 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 130031212 is about 11403.1229055904. The cubic root of 130031212 is about 506.6202406291.

Adding to 130031212 its reverse (212130031), we get a palindrome (342161243).

It can be divided in two parts, 130031 and 212, that multiplied together give a palindrome (27566572).

The spelling of 130031212 in words is "one hundred thirty million, thirty-one thousand, two hundred twelve".