129472827792 has 480 divisors, whose sum is σ = 450086621184. Its totient is φ = 31657651200.

The previous prime is 129472827787. The next prime is 129472827839. The reversal of 129472827792 is 297728274921.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29673003 + ... + 29677365.

Almost surely, 2^129472827792 is an apocalyptic number.

129472827792 is a gapful number since it is divisible by the number (12) 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 129472827792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225043310592).

129472827792 is an abundant number, since it is smaller than the sum of its proper divisors (320613793392).

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

129472827792 is a wasteful number, since it uses less digits than its factorization.

129472827792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467 (or 4454 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 60.

The spelling of 129472827792 in words is "one hundred twenty-nine billion, four hundred seventy-two million, eight hundred twenty-seven thousand, seven hundred ninety-two".