128254212 has 24 divisors (see below), whose sum is σ = 332511200. Its totient is φ = 42751368.

The previous prime is 128254207. The next prime is 128254219. The reversal of 128254212 is 212452821.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (128254219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593662 + ... + 593877.

Almost surely, 2^128254212 is an apocalyptic number.

128254212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128254212 is an abundant number, since it is smaller than the sum of its proper divisors (204256988).

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

128254212 is a wasteful number, since it uses less digits than its factorization.

128254212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187552 (or 1187544 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 128254212 is about 11324.9376157222. The cubic root of 128254212 is about 504.3018316769.

The spelling of 128254212 in words is "one hundred twenty-eight million, two hundred fifty-four thousand, two hundred twelve".