12609344146 has 48 divisors (see below), whose sum is σ = 22553548416. Its totient is φ = 5269398624.

The previous prime is 12609344117. The next prime is 12609344207. The reversal of 12609344146 is 64144390621.

It is a junction number, because it is equal to n+sod(n) for n = 12609344099 and 12609344108.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1270921 + ... + 1280803.

It is an arithmetic number, because the mean of its divisors is an integer number (469865592).

Almost surely, 2^12609344146 is an apocalyptic number.

12609344146 is a deficient number, since it is larger than the sum of its proper divisors (9944204270).

12609344146 is a wasteful number, since it uses less digits than its factorization.

12609344146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10223 (or 10216 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 12609344146 in words is "twelve billion, six hundred nine million, three hundred forty-four thousand, one hundred forty-six".