12665110434 has 32 divisors (see below), whose sum is σ = 26911897920. Its totient is φ = 3965959872.

The previous prime is 12665110373. The next prime is 12665110457. The reversal of 12665110434 is 43401156621.

It is a junction number, because it is equal to n+sod(n) for n = 12665110395 and 12665110404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977184 + ... + 990059.

It is an arithmetic number, because the mean of its divisors is an integer number (840996810).

Almost surely, 2^12665110434 is an apocalyptic number.

12665110434 is an abundant number, since it is smaller than the sum of its proper divisors (14246787486).

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

12665110434 is a wasteful number, since it uses less digits than its factorization.

12665110434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967314.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 12665110434 in words is "twelve billion, six hundred sixty-five million, one hundred ten thousand, four hundred thirty-four".