130434012 has 72 divisors (see below), whose sum is σ = 362194560. Its totient is φ = 39394080.

The previous prime is 130433999. The next prime is 130434041. The reversal of 130434012 is 210434031.

It is a super-2 number, since 2×130434012² = 34026062972832288, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11587 + ... + 19877.

It is an arithmetic number, because the mean of its divisors is an integer number (5030480).

Almost surely, 2^130434012 is an apocalyptic number.

130434012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130434012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181097280).

130434012 is an abundant number, since it is smaller than the sum of its proper divisors (231760548).

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

130434012 is a wasteful number, since it uses less digits than its factorization.

130434012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8343 (or 8338 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 130434012 is about 11420.7710772960. The cubic root of 130434012 is about 507.1428235743.

Adding to 130434012 its reverse (210434031), we get a palindrome (340868043).

The spelling of 130434012 in words is "one hundred thirty million, four hundred thirty-four thousand, twelve".