129531096224 has 24 divisors (see below), whose sum is σ = 255150762048. Its totient is φ = 64730902720.

The previous prime is 129531096217. The next prime is 129531096257. The reversal of 129531096224 is 422690135921.

It is a happy number.

It is a super-2 number, since 2×129531096224² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021862 + ... + 1141605.

It is an arithmetic number, because the mean of its divisors is an integer number (10631281752).

Almost surely, 2^129531096224 is an apocalyptic number.

It is an amenable number.

129531096224 is a deficient number, since it is larger than the sum of its proper divisors (125619665824).

129531096224 is a wasteful number, since it uses less digits than its factorization.

129531096224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165348 (or 2165340 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 129531096224 in words is "one hundred twenty-nine billion, five hundred thirty-one million, ninety-six thousand, two hundred twenty-four".