129829991300 has 36 divisors (see below), whose sum is σ = 281832271476. Its totient is φ = 51913344000.

The previous prime is 129829991297. The next prime is 129829991351. The reversal of 129829991300 is 3199928921.

It can be written as a sum of positive squares in 6 ways, for example, as 2900253316 + 126929737984 = 53854^2 + 356272^2 .

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 11 ways as a sum of consecutive naturals, for example, 48344 + ... + 511856.

Almost surely, 2^129829991300 is an apocalyptic number.

129829991300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129829991300 is an abundant number, since it is smaller than the sum of its proper divisors (152002280176).

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

129829991300 is a wasteful number, since it uses less digits than its factorization.

129829991300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466328 (or 466321 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 53.

The spelling of 129829991300 in words is "one hundred twenty-nine billion, eight hundred twenty-nine million, nine hundred ninety-one thousand, three hundred".