129563353612 has 24 divisors (see below), whose sum is σ = 282683681280. Its totient is φ = 50479228560.

The previous prime is 129563353607. The next prime is 129563353637. The reversal of 129563353612 is 216353365921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210329812 + ... + 210330427.

It is an arithmetic number, because the mean of its divisors is an integer number (11778486720).

Almost surely, 2^129563353612 is an apocalyptic number.

It is an amenable number.

129563353612 is an abundant number, since it is smaller than the sum of its proper divisors (153120327668).

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

129563353612 is a wasteful number, since it uses less digits than its factorization.

129563353612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420660261 (or 420660259 counting only the distinct ones).

The product of its digits is 874800, while the sum is 46.

The spelling of 129563353612 in words is "one hundred twenty-nine billion, five hundred sixty-three million, three hundred fifty-three thousand, six hundred twelve".