129724803000 has 192 divisors, whose sum is σ = 472198708800. Its totient is φ = 31932230400.

The previous prime is 129724802947. The next prime is 129724803011. The reversal of 129724803000 is 308427921.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 437380 + ... + 671379.

It is an arithmetic number, because the mean of its divisors is an integer number (2459368275).

Almost surely, 2^129724803000 is an apocalyptic number.

129724803000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129724803000 is an abundant number, since it is smaller than the sum of its proper divisors (342473905800).

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

129724803000 is a wasteful number, since it uses less digits than its factorization.

129724803000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108799 (or 1108782 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 129724803000 in words is "one hundred twenty-nine billion, seven hundred twenty-four million, eight hundred three thousand".