128284819282 has 8 divisors (see below), whose sum is σ = 199062650700. Its totient is φ = 61930602384.

The previous prime is 128284819277. The next prime is 128284819283. The reversal of 128284819282 is 282918482821.

It can be written as a sum of positive squares in 2 ways, for example, as 115981794721 + 12303024561 = 340561^2 + 110919^2 .

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

It is a super-3 number, since 3×128284819282³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (128284819283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105903557 + ... + 1105903672.

Almost surely, 2^128284819282 is an apocalyptic number.

128284819282 is a deficient number, since it is larger than the sum of its proper divisors (70777831418).

128284819282 is a wasteful number, since it uses less digits than its factorization.

128284819282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211807260.

The product of its digits is 2359296, while the sum is 55.

The spelling of 128284819282 in words is "one hundred twenty-eight billion, two hundred eighty-four million, eight hundred nineteen thousand, two hundred eighty-two".