129830412 has 12 divisors (see below), whose sum is σ = 302937656. Its totient is φ = 43276800.

The previous prime is 129830399. The next prime is 129830413. The reversal of 129830412 is 214038921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 129830412.

It is not an unprimeable number, because it can be changed into a prime (129830413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5409589 + ... + 5409612.

Almost surely, 2^129830412 is an apocalyptic number.

129830412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129830412 is an abundant number, since it is smaller than the sum of its proper divisors (173107244).

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

129830412 is a wasteful number, since it uses less digits than its factorization.

129830412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10819208 (or 10819206 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 129830412 is about 11394.3148982289. The cubic root of 129830412 is about 506.3593244160.

The spelling of 129830412 in words is "one hundred twenty-nine million, eight hundred thirty thousand, four hundred twelve".