129284888000 has 56 divisors (see below), whose sum is σ = 320174044944. Its totient is φ = 51713952000.

The previous prime is 129284887937. The next prime is 129284888011. The reversal of 129284888000 is 888482921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 129284888000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8072306 + ... + 8088305.

Almost surely, 2^129284888000 is an apocalyptic number.

129284888000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129284888000 is an abundant number, since it is smaller than the sum of its proper divisors (190889156944).

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

129284888000 is an equidigital number, since it uses as much as digits as its factorization.

129284888000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16160638 (or 16160618 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 50.

The spelling of 129284888000 in words is "one hundred twenty-nine billion, two hundred eighty-four million, eight hundred eighty-eight thousand".