129223410999 has 8 divisors (see below), whose sum is σ = 177855877632. Its totient is φ = 83369942520.

The previous prime is 129223410991. The next prime is 129223411001. The reversal of 129223410999 is 999014322921.

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

It is not a de Polignac number, because 129223410999 - 2³ = 129223410991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129223410991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694749429 + ... + 694749614.

It is an arithmetic number, because the mean of its divisors is an integer number (22231984704).

Almost surely, 2^129223410999 is an apocalyptic number.

129223410999 is a deficient number, since it is larger than the sum of its proper divisors (48632466633).

129223410999 is a wasteful number, since it uses less digits than its factorization.

129223410999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389499077.

The product of its (nonzero) digits is 629856, while the sum is 51.

The spelling of 129223410999 in words is "one hundred twenty-nine billion, two hundred twenty-three million, four hundred ten thousand, nine hundred ninety-nine".