129928398812160 has 1408 divisors, whose sum is σ = 492338812944384. Its totient is φ = 28973617643520.

The previous prime is 129928398812089. The next prime is 129928398812171. The reversal of 129928398812160 is 61218893829921.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6691466772 + ... + 6691486188.

Almost surely, 2^{129928398812160} is an apocalyptic number.

129928398812160 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 129928398812160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246169406472192).

129928398812160 is an abundant number, since it is smaller than the sum of its proper divisors (362410414132224).

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

129928398812160 is a wasteful number, since it uses less digits than its factorization.

129928398812160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19559 (or 19541 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 69.

The spelling of 129928398812160 in words is "one hundred twenty-nine trillion, nine hundred twenty-eight billion, three hundred ninety-eight million, eight hundred twelve thousand, one hundred sixty".