130040212 has 12 divisors (see below), whose sum is σ = 228248020. Its totient is φ = 64826496.

The previous prime is 130040179. The next prime is 130040219. The reversal of 130040212 is 212040031.

It can be written as a sum of positive squares in 2 ways, for example, as 30958096 + 99082116 = 5564^2 + 9954^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130040192 and 130040201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130040219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46887 + ... + 49582.

Almost surely, 2^130040212 is an apocalyptic number.

It is an amenable number.

130040212 is a deficient number, since it is larger than the sum of its proper divisors (98207808).

130040212 is a wasteful number, since it uses less digits than its factorization.

130040212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96810 (or 96808 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 130040212 is about 11403.5175275000. The cubic root of 130040212 is about 506.6319287895.

Adding to 130040212 its reverse (212040031), we get a palindrome (342080243).

The spelling of 130040212 in words is "one hundred thirty million, forty thousand, two hundred twelve".