130032612 has 36 divisors (see below), whose sum is σ = 330149820. Its totient is φ = 43152192.

The previous prime is 130032611. The next prime is 130032641. The reversal of 130032612 is 216230031.

130032612 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 102090816 + 27941796 = 10104^2 + 5286^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (130032611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358 + ... + 16130.

Almost surely, 2^130032612 is an apocalyptic number.

130032612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130032612 is an abundant number, since it is smaller than the sum of its proper divisors (200117208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130032612 is a wasteful number, since it uses less digits than its factorization.

130032612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16012 (or 16007 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 130032612 is about 11403.1842921177. The cubic root of 130032612 is about 506.6220588228.

Adding to 130032612 its reverse (216230031), we get a palindrome (346262643).

The spelling of 130032612 in words is "one hundred thirty million, thirty-two thousand, six hundred twelve".