130505012 has 24 divisors (see below), whose sum is σ = 252870240. Its totient is φ = 58433760.

The previous prime is 130505003. The next prime is 130505051. The reversal of 130505012 is 210505031.

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, 19187 + ... + 25082.

It is an arithmetic number, because the mean of its divisors is an integer number (10536260).

Almost surely, 2^130505012 is an apocalyptic number.

It is an amenable number.

130505012 is a deficient number, since it is larger than the sum of its proper divisors (122365228).

130505012 is a wasteful number, since it uses less digits than its factorization.

130505012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44351 (or 44349 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 130505012 is about 11423.8790259701. The cubic root of 130505012 is about 507.2348256745.

The spelling of 130505012 in words is "one hundred thirty million, five hundred five thousand, twelve".