129282226432 has 36 divisors (see below), whose sum is σ = 266958061020. Its totient is φ = 62412105728.

The previous prime is 129282226429. The next prime is 129282226483. The reversal of 129282226432 is 234622282921.

It can be written as a sum of positive squares in 2 ways, for example, as 86144598016 + 43137628416 = 293504^2 + 207696^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8699623 + ... + 8714470.

It is an arithmetic number, because the mean of its divisors is an integer number (7415501695).

Almost surely, 2^129282226432 is an apocalyptic number.

It is an amenable number.

129282226432 is an abundant number, since it is smaller than the sum of its proper divisors (137675834588).

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

129282226432 is an equidigital number, since it uses as much as digits as its factorization.

129282226432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17414138 (or 17414124 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The spelling of 129282226432 in words is "one hundred twenty-nine billion, two hundred eighty-two million, two hundred twenty-six thousand, four hundred thirty-two".