129922745216 has 96 divisors (see below), whose sum is σ = 290554417440. Its totient is φ = 57798963200.

The previous prime is 129922745179. The next prime is 129922745233. The reversal of 129922745216 is 612547229921.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638696 + ... + 817176.

It is an arithmetic number, because the mean of its divisors is an integer number (3026608515).

Almost surely, 2^129922745216 is an apocalyptic number.

129922745216 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 129922745216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145277208720).

129922745216 is an abundant number, since it is smaller than the sum of its proper divisors (160631672224).

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

129922745216 is a wasteful number, since it uses less digits than its factorization.

129922745216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178564 (or 178541 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The spelling of 129922745216 in words is "one hundred twenty-nine billion, nine hundred twenty-two million, seven hundred forty-five thousand, two hundred sixteen".