12105311596 has 24 divisors (see below), whose sum is σ = 24212998656. Its totient is φ = 5187481680.

The previous prime is 12105311579. The next prime is 12105311611. The reversal of 12105311596 is 69511350121.

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, 464061 + ... + 489451.

It is an arithmetic number, because the mean of its divisors is an integer number (1008874944).

Almost surely, 2^12105311596 is an apocalyptic number.

It is an amenable number.

12105311596 is an abundant number, since it is smaller than the sum of its proper divisors (12107687060).

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

12105311596 is a wasteful number, since it uses less digits than its factorization.

12105311596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42429 (or 42427 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 34.

The spelling of 12105311596 in words is "twelve billion, one hundred five million, three hundred eleven thousand, five hundred ninety-six".