129448071412 has 48 divisors (see below), whose sum is σ = 263827791360. Its totient is φ = 55378815360.

The previous prime is 129448071397. The next prime is 129448071421. The reversal of 129448071412 is 214170844921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 624612 + ... + 805627.

It is an arithmetic number, because the mean of its divisors is an integer number (5496412320).

Almost surely, 2^129448071412 is an apocalyptic number.

It is an amenable number.

129448071412 is an abundant number, since it is smaller than the sum of its proper divisors (134379719948).

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

129448071412 is a wasteful number, since it uses less digits than its factorization.

129448071412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430293 (or 1430269 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 129448071412 in words is "one hundred twenty-nine billion, four hundred forty-eight million, seventy-one thousand, four hundred twelve".