129252841324 has 24 divisors (see below), whose sum is σ = 229134906000. Its totient is φ = 63788271360.

The previous prime is 129252841307. The next prime is 129252841349. The reversal of 129252841324 is 423148252921.

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, 114649 + ... + 521200.

It is an arithmetic number, because the mean of its divisors is an integer number (9547287750).

Almost surely, 2^129252841324 is an apocalyptic number.

It is an amenable number.

129252841324 is a deficient number, since it is larger than the sum of its proper divisors (99882064676).

129252841324 is a wasteful number, since it uses less digits than its factorization.

129252841324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636513 (or 636511 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The spelling of 129252841324 in words is "one hundred twenty-nine billion, two hundred fifty-two million, eight hundred forty-one thousand, three hundred twenty-four".