129354050652912 has 60 divisors (see below), whose sum is σ = 362966859523320. Its totient is φ = 43004249011584.

The previous prime is 129354050652899. The next prime is 129354050652941. The reversal of 129354050652912 is 219256050453921.

129354050652912 is a `hidden beast` number, since 1 + 2 + 9 + 3 + 5 + 40 + 506 + 5 + 2 + 91 + 2 = 666.

It is a super-2 number, since 2×129354050652912² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1185027243 + ... + 1185136394.

It is an arithmetic number, because the mean of its divisors is an integer number (6049447658722).

Almost surely, 2^{129354050652912} is an apocalyptic number.

129354050652912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129354050652912 is an abundant number, since it is smaller than the sum of its proper divisors (233612808870408).

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

129354050652912 is a wasteful number, since it uses less digits than its factorization.

129354050652912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370164030 (or 2370164021 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 129354050652912 in words is "one hundred twenty-nine trillion, three hundred fifty-four billion, fifty million, six hundred fifty-two thousand, nine hundred twelve".