130012216 has 8 divisors (see below), whose sum is σ = 243772920. Its totient is φ = 65006104.

The previous prime is 130012213. The next prime is 130012229. The reversal of 130012216 is 612210031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 130012216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130012213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8125756 + ... + 8125771.

It is an arithmetic number, because the mean of its divisors is an integer number (30471615).

Almost surely, 2^130012216 is an apocalyptic number.

It is an amenable number.

130012216 is a deficient number, since it is larger than the sum of its proper divisors (113760704).

130012216 is a wasteful number, since it uses less digits than its factorization.

130012216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16251533 (or 16251529 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 130012216 is about 11402.2899454452. The cubic root of 130012216 is about 506.5955690481.

Adding to 130012216 its reverse (612210031), we get a palindrome (742222247).

The spelling of 130012216 in words is "one hundred thirty million, twelve thousand, two hundred sixteen".