12136147172 has 12 divisors (see below), whose sum is σ = 22356060720. Its totient is φ = 5748701256.

The previous prime is 12136147171. The next prime is 12136147237. The reversal of 12136147172 is 27174163121.

It is not an unprimeable number, because it can be changed into a prime (12136147171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 79842998 + ... + 79843149.

It is an arithmetic number, because the mean of its divisors is an integer number (1863005060).

Almost surely, 2^12136147172 is an apocalyptic number.

It is an amenable number.

12136147172 is a deficient number, since it is larger than the sum of its proper divisors (10219913548).

12136147172 is a wasteful number, since it uses less digits than its factorization.

12136147172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159686170 (or 159686168 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The spelling of 12136147172 in words is "twelve billion, one hundred thirty-six million, one hundred forty-seven thousand, one hundred seventy-two".