129240432980382 has 8 divisors (see below), whose sum is σ = 258480865960776. Its totient is φ = 43080144326792.

The previous prime is 129240432980357. The next prime is 129240432980383. The reversal of 129240432980382 is 283089234042921.

It is a sphenic number, since it is the product of 3 distinct primes.

129240432980382 is an admirable number.

It is a super-2 number, since 2×129240432980382² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129240432980383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10770036081693 + ... + 10770036081704.

It is an arithmetic number, because the mean of its divisors is an integer number (32310108245097).

Almost surely, 2^{129240432980382} is an apocalyptic number.

129240432980382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

129240432980382 is a wasteful number, since it uses less digits than its factorization.

129240432980382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21540072163402.

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 129240432980382 in words is "one hundred twenty-nine trillion, two hundred forty billion, four hundred thirty-two million, nine hundred eighty thousand, three hundred eighty-two".