129801568260 has 192 divisors, whose sum is σ = 447983972352. Its totient is φ = 27345821184.

The previous prime is 129801568231. The next prime is 129801568277. The reversal of 129801568260 is 62865108921.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3711777 + ... + 3746583.

It is an arithmetic number, because the mean of its divisors is an integer number (2333249856).

Almost surely, 2^129801568260 is an apocalyptic number.

129801568260 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 129801568260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223991986176).

129801568260 is an abundant number, since it is smaller than the sum of its proper divisors (318182404092).

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

129801568260 is a wasteful number, since it uses less digits than its factorization.

129801568260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35522 (or 35520 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 129801568260 in words is "one hundred twenty-nine billion, eight hundred one million, five hundred sixty-eight thousand, two hundred sixty".