129930812105 has 16 divisors (see below), whose sum is σ = 165105924480. Its totient is φ = 97884202752.

The previous prime is 129930812083. The next prime is 129930812117. The reversal of 129930812105 is 501218039921.

It is a cyclic number.

It is not a de Polignac number, because 129930812105 - 2¹⁸ = 129930549961 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4079024 + ... + 4110753.

It is an arithmetic number, because the mean of its divisors is an integer number (10319120280).

Almost surely, 2^129930812105 is an apocalyptic number.

It is an amenable number.

129930812105 is a deficient number, since it is larger than the sum of its proper divisors (35175112375).

129930812105 is a wasteful number, since it uses less digits than its factorization.

129930812105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189968.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 129930812105 in words is "one hundred twenty-nine billion, nine hundred thirty million, eight hundred twelve thousand, one hundred five".