129454303680000 has 4400 divisors, whose sum is σ = 570661457579136. Its totient is φ = 29023764480000.

The previous prime is 129454303679993. The next prime is 129454303680049. The reversal of 129454303680000 is 86303454921.

129454303680000 is a `hidden beast` number, since 1 + 29 + 4 + 543 + 0 + 3 + 6 + 80 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 439 ways as a sum of consecutive naturals, for example, 4175945279985 + ... + 4175945280015.

Almost surely, 2^{129454303680000} is an apocalyptic number.

129454303680000 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 129454303680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285330728789568).

129454303680000 is an abundant number, since it is smaller than the sum of its proper divisors (441207153899136).

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

129454303680000 is an frugal number, since it uses more digits than its factorization.

129454303680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 129454303680000 in words is "one hundred twenty-nine trillion, four hundred fifty-four billion, three hundred three million, six hundred eighty thousand".