129475810112 has 56 divisors (see below), whose sum is σ = 280374925152. Its totient is φ = 58833907200.

The previous prime is 129475810003. The next prime is 129475810117. The reversal of 129475810112 is 211018574921.

It is a self number, because there is not a number n which added to its sum of digits gives 129475810112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129475810117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2317418 + ... + 2372630.

It is an arithmetic number, because the mean of its divisors is an integer number (5006695092).

Almost surely, 2^129475810112 is an apocalyptic number.

It is an amenable number.

129475810112 is an abundant number, since it is smaller than the sum of its proper divisors (150899115040).

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

129475810112 is a wasteful number, since it uses less digits than its factorization.

129475810112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58567 (or 58557 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 41.

The spelling of 129475810112 in words is "one hundred twenty-nine billion, four hundred seventy-five million, eight hundred ten thousand, one hundred twelve".