12309425188 has 24 divisors (see below), whose sum is σ = 21966725984. Its totient is φ = 6034089600.

The previous prime is 12309425171. The next prime is 12309425201. The reversal of 12309425188 is 88152490321.

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, 52293 + ... + 165388.

Almost surely, 2^12309425188 is an apocalyptic number.

It is an amenable number.

12309425188 is a deficient number, since it is larger than the sum of its proper divisors (9657300796).

12309425188 is a wasteful number, since it uses less digits than its factorization.

12309425188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217963 (or 217961 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 12309425188 in words is "twelve billion, three hundred nine million, four hundred twenty-five thousand, one hundred eighty-eight".