128334612 has 24 divisors (see below), whose sum is σ = 342225856. Its totient is φ = 36667008.

The previous prime is 128334553. The next prime is 128334653. The reversal of 128334612 is 216433821.

It is a self number, because there is not a number n which added to its sum of digits gives 128334612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763813 + ... + 763980.

Almost surely, 2^128334612 is an apocalyptic number.

128334612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128334612 is an abundant number, since it is smaller than the sum of its proper divisors (213891244).

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

128334612 is a wasteful number, since it uses less digits than its factorization.

128334612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527807 (or 1527805 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 128334612 is about 11328.4867480171. The cubic root of 128334612 is about 504.4071885748.

The spelling of 128334612 in words is "one hundred twenty-eight million, three hundred thirty-four thousand, six hundred twelve".