128960212 has 12 divisors (see below), whose sum is σ = 226154880. Its totient is φ = 64344536.

The previous prime is 128960177. The next prime is 128960213. The reversal of 128960212 is 212069821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128960213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31738 + ... + 35569.

It is an arithmetic number, because the mean of its divisors is an integer number (18846240).

Almost surely, 2^128960212 is an apocalyptic number.

It is an amenable number.

128960212 is a deficient number, since it is larger than the sum of its proper divisors (97194668).

128960212 is a wasteful number, since it uses less digits than its factorization.

128960212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67790 (or 67788 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 128960212 is about 11356.0649874858. The cubic root of 128960212 is about 505.2254811140.

The spelling of 128960212 in words is "one hundred twenty-eight million, nine hundred sixty thousand, two hundred twelve".