128960012 has 6 divisors (see below), whose sum is σ = 225680028. Its totient is φ = 64480004.

The previous prime is 128960009. The next prime is 128960023. The reversal of 128960012 is 210069821.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16119998 + ... + 16120005.

It is an arithmetic number, because the mean of its divisors is an integer number (37613338).

Almost surely, 2^128960012 is an apocalyptic number.

It is an amenable number.

128960012 is a deficient number, since it is larger than the sum of its proper divisors (96720016).

128960012 is a wasteful number, since it uses less digits than its factorization.

128960012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32240007 (or 32240005 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 128960012 is about 11356.0561816152. The cubic root of 128960012 is about 505.2252199349.

The spelling of 128960012 in words is "one hundred twenty-eight million, nine hundred sixty thousand, twelve".