129340732122942 has 8 divisors (see below), whose sum is σ = 258681464245896. Its totient is φ = 43113577374312.

The previous prime is 129340732122929. The next prime is 129340732122967. The reversal of 129340732122942 is 249221237043921.

129340732122942 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

129340732122942 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10778394343573 + ... + 10778394343584.

It is an arithmetic number, because the mean of its divisors is an integer number (32335183030737).

Almost surely, 2^{129340732122942} is an apocalyptic number.

129340732122942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

129340732122942 is a wasteful number, since it uses less digits than its factorization.

129340732122942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21556788687162.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 129340732122942 in words is "one hundred twenty-nine trillion, three hundred forty billion, seven hundred thirty-two million, one hundred twenty-two thousand, nine hundred forty-two".