129609303850752 has 144 divisors (see below), whose sum is σ = 376460813054592. Its totient is φ = 39259684188160.

The previous prime is 129609303850709. The next prime is 129609303850759. The reversal of 129609303850752 is 257058303906921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129609303850759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17828803 + ... + 24022589.

It is an arithmetic number, because the mean of its divisors is an integer number (2614311201768).

Almost surely, 2^{129609303850752} is an apocalyptic number.

129609303850752 is a gapful number since it is divisible by the number (12) 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 129609303850752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188230406527296).

129609303850752 is an abundant number, since it is smaller than the sum of its proper divisors (246851509203840).

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

129609303850752 is a wasteful number, since it uses less digits than its factorization.

129609303850752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6196294 (or 6196280 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 129609303850752 in words is "one hundred twenty-nine trillion, six hundred nine billion, three hundred three million, eight hundred fifty thousand, seven hundred fifty-two".