129205282325350 has 96 divisors (see below), whose sum is σ = 301809038985216. Its totient is φ = 39977821574400.

The previous prime is 129205282325309. The next prime is 129205282325351. The reversal of 129205282325350 is 53523282502921.

It is a super-2 number, since 2×129205282325350² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 129205282325294 and 129205282325303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129205282325351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121953622 + ... + 123008521.

It is an arithmetic number, because the mean of its divisors is an integer number (3143844156096).

Almost surely, 2^{129205282325350} is an apocalyptic number.

129205282325350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129205282325350 is an abundant number, since it is smaller than the sum of its proper divisors (172603756659866).

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

129205282325350 is a wasteful number, since it uses less digits than its factorization.

129205282325350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244962310 (or 244962305 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 129205282325350 in words is "one hundred twenty-nine trillion, two hundred five billion, two hundred eighty-two million, three hundred twenty-five thousand, three hundred fifty".