12346442128 has 20 divisors (see below), whose sum is σ = 23935633200. Its totient is φ = 6169504544.

The previous prime is 12346442093. The next prime is 12346442183. The reversal of 12346442128 is 82124464321.

It is an unprimeable number.

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, 204778 + ... + 258121.

It is an arithmetic number, because the mean of its divisors is an integer number (1196781660).

Almost surely, 2^12346442128 is an apocalyptic number.

It is an amenable number.

12346442128 is a deficient number, since it is larger than the sum of its proper divisors (11589191072).

12346442128 is a wasteful number, since it uses less digits than its factorization.

12346442128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464574 (or 464568 counting only the distinct ones).

The product of its digits is 73728, while the sum is 37.

The spelling of 12346442128 in words is "twelve billion, three hundred forty-six million, four hundred forty-two thousand, one hundred twenty-eight".