12230437128 has 128 divisors (see below), whose sum is σ = 39268454400. Its totient is φ = 3085353216.

The previous prime is 12230437081. The next prime is 12230437139. The reversal of 12230437128 is 82173403221.

12230437128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71508 + ... + 171971.

It is an arithmetic number, because the mean of its divisors is an integer number (306784800).

Almost surely, 2^12230437128 is an apocalyptic number.

It is an amenable number.

12230437128 is an abundant number, since it is smaller than the sum of its proper divisors (27038017272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12230437128 is a wasteful number, since it uses less digits than its factorization.

12230437128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243531 (or 243527 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 12230437128 in words is "twelve billion, two hundred thirty million, four hundred thirty-seven thousand, one hundred twenty-eight".