434130012 has 72 divisors (see below), whose sum is σ = 1161538560. Its totient is φ = 136334880.

The previous prime is 434129989. The next prime is 434130013. The reversal of 434130012 is 210031434.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434130013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128983 + ... + 132305.

It is an arithmetic number, because the mean of its divisors is an integer number (16132480).

Almost surely, 2^434130012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434130012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580769280).

434130012 is an abundant number, since it is smaller than the sum of its proper divisors (727408548).

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

434130012 is a wasteful number, since it uses less digits than its factorization.

434130012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543 (or 3538 counting only the distinct ones).

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

The square root of 434130012 is about 20835.7868101975. The cubic root of 434130012 is about 757.1930226912.

Adding to 434130012 its reverse (210031434), we get a palindrome (644161446).

The spelling of 434130012 in words is "four hundred thirty-four million, one hundred thirty thousand, twelve".