129998818183204 has 12 divisors (see below), whose sum is σ = 228474317795724. Its totient is φ = 64720441670144.

The previous prime is 129998818183159. The next prime is 129998818183217. The reversal of 129998818183204 is 402381818899921.

It can be written as a sum of positive squares in 2 ways, for example, as 12686134297600 + 117312683885604 = 3561760^2 + 10831098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69741854317 + ... + 69741856180.

It is an arithmetic number, because the mean of its divisors is an integer number (19039526482977).

Almost surely, 2^{129998818183204} is an apocalyptic number.

It is an amenable number.

129998818183204 is a deficient number, since it is larger than the sum of its proper divisors (98475499612520).

129998818183204 is a wasteful number, since it uses less digits than its factorization.

129998818183204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139483710734 (or 139483710732 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 73.

The spelling of 129998818183204 in words is "one hundred twenty-nine trillion, nine hundred ninety-eight billion, eight hundred eighteen million, one hundred eighty-three thousand, two hundred four".