129084416112 has 40 divisors (see below), whose sum is σ = 333517668880. Its totient is φ = 43021739520.

The previous prime is 129084416093. The next prime is 129084416117. The reversal of 129084416112 is 211614480921.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129084416117) 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, 131814 + ... + 524922.

It is an arithmetic number, because the mean of its divisors is an integer number (8337941722).

Almost surely, 2^129084416112 is an apocalyptic number.

129084416112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129084416112 is an abundant number, since it is smaller than the sum of its proper divisors (204433252768).

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

129084416112 is a wasteful number, since it uses less digits than its factorization.

129084416112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399961 (or 399955 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 129084416112 in words is "one hundred twenty-nine billion, eighty-four million, four hundred sixteen thousand, one hundred twelve".