129416068912 has 80 divisors (see below), whose sum is σ = 300964174560. Its totient is φ = 53258121216.

The previous prime is 129416068889. The next prime is 129416068921. The reversal of 129416068912 is 219860614921.

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, 895963 + ... + 1030330.

It is an arithmetic number, because the mean of its divisors is an integer number (3762052182).

Almost surely, 2^129416068912 is an apocalyptic number.

It is an amenable number.

129416068912 is an abundant number, since it is smaller than the sum of its proper divisors (171548105648).

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

129416068912 is a wasteful number, since it uses less digits than its factorization.

129416068912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926350 (or 1926344 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 129416068912 in words is "one hundred twenty-nine billion, four hundred sixteen million, sixty-eight thousand, nine hundred twelve".