129854229120 has 1536 divisors, whose sum is σ = 591208450560. Its totient is φ = 25480396800.

The previous prime is 129854229103. The next prime is 129854229143. The reversal of 129854229120 is 21922458921.

129854229120 is a `hidden beast` number, since 1 + 2 + 98 + 542 + 2 + 9 + 12 + 0 = 666.

129854229120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 672819744 + ... + 672819936.

It is an arithmetic number, because the mean of its divisors is an integer number (384901335).

Almost surely, 2^129854229120 is an apocalyptic number.

129854229120 is a gapful number since it is divisible by the number (10) 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 129854229120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295604225280).

129854229120 is an abundant number, since it is smaller than the sum of its proper divisors (461354221440).

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

129854229120 is a wasteful number, since it uses less digits than its factorization.

129854229120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 129854229120 in words is "one hundred twenty-nine billion, eight hundred fifty-four million, two hundred twenty-nine thousand, one hundred twenty".