129372065570 has 32 divisors (see below), whose sum is σ = 254067589440. Its totient is φ = 47039221440.

The previous prime is 129372065569. The next prime is 129372065593. The reversal of 129372065570 is 75560273921.

It is a super-3 number, since 3×129372065570³ (a number of 34 digits) contains 333 as substring.

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, 1024844 + ... + 1144136.

It is an arithmetic number, because the mean of its divisors is an integer number (7939612170).

Almost surely, 2^129372065570 is an apocalyptic number.

129372065570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129372065570 is a deficient number, since it is larger than the sum of its proper divisors (124695523870).

129372065570 is a wasteful number, since it uses less digits than its factorization.

129372065570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129170.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 129372065570 in words is "one hundred twenty-nine billion, three hundred seventy-two million, sixty-five thousand, five hundred seventy".