129850272000 has 432 divisors, whose sum is σ = 487578768768. Its totient is φ = 33119539200.

The previous prime is 129850271989. The next prime is 129850272031. The reversal of 129850272000 is 272058921.

129850272000 is a `hidden beast` number, since 129 + 8 + 502 + 7 + 20 + 0 + 0 = 666.

It is a super-2 number, since 2×129850272000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6614199 + ... + 6633801.

Almost surely, 2^129850272000 is an apocalyptic number.

129850272000 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 129850272000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243789384384).

129850272000 is an abundant number, since it is smaller than the sum of its proper divisors (357728496768).

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

129850272000 is a wasteful number, since it uses less digits than its factorization.

129850272000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19663 (or 19636 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 129850272000 in words is "one hundred twenty-nine billion, eight hundred fifty million, two hundred seventy-two thousand".