12128606734 has 8 divisors (see below), whose sum is σ = 18684610488. Its totient is φ = 5900403240.

The previous prime is 12128606731. The next prime is 12128606773. The reversal of 12128606734 is 43760682121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12128606731) 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, 81949972 + ... + 81950119.

It is an arithmetic number, because the mean of its divisors is an integer number (2335576311).

Almost surely, 2^12128606734 is an apocalyptic number.

12128606734 is a deficient number, since it is larger than the sum of its proper divisors (6556003754).

12128606734 is a wasteful number, since it uses less digits than its factorization.

12128606734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163900130.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 12128606734 in words is "twelve billion, one hundred twenty-eight million, six hundred six thousand, seven hundred thirty-four".