129011106338 has 16 divisors (see below), whose sum is σ = 194829148800. Its totient is φ = 64069513536.

The previous prime is 129011106293. The next prime is 129011106347. The reversal of 129011106338 is 833601110921.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 129011106298 and 129011106307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186638 + ... + 541161.

It is an arithmetic number, because the mean of its divisors is an integer number (12176821800).

Almost surely, 2^129011106338 is an apocalyptic number.

129011106338 is a deficient number, since it is larger than the sum of its proper divisors (65818042462).

129011106338 is a wasteful number, since it uses less digits than its factorization.

129011106338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728401.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 129011106338 in words is "one hundred twenty-nine billion, eleven million, one hundred six thousand, three hundred thirty-eight".