129730404096 has 432 divisors, whose sum is σ = 403299187200. Its totient is φ = 40011079680.

The previous prime is 129730404071. The next prime is 129730404127. The reversal of 129730404096 is 690404037921.

It is a happy number.

129730404096 is a `hidden beast` number, since 129 + 7 + 30 + 404 + 0 + 96 = 666.

It is a super-2 number, since 2×129730404096² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216578005 + ... + 216578603.

Almost surely, 2^129730404096 is an apocalyptic number.

129730404096 is a gapful number since it is divisible by the number (16) 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 129730404096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201649593600).

129730404096 is an abundant number, since it is smaller than the sum of its proper divisors (273568783104).

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

129730404096 is a wasteful number, since it uses less digits than its factorization.

129730404096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 129730404096 in words is "one hundred twenty-nine billion, seven hundred thirty million, four hundred four thousand, ninety-six".