128804012 has 6 divisors (see below), whose sum is σ = 225407028. Its totient is φ = 64402004.

The previous prime is 128804003. The next prime is 128804023. The reversal of 128804012 is 210408821.

It is a super-2 number, since 2×128804012² = 33180947014592288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16100498 + ... + 16100505.

It is an arithmetic number, because the mean of its divisors is an integer number (37567838).

Almost surely, 2^128804012 is an apocalyptic number.

It is an amenable number.

128804012 is a deficient number, since it is larger than the sum of its proper divisors (96603016).

128804012 is a wasteful number, since it uses less digits than its factorization.

128804012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32201007 (or 32201005 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 128804012 is about 11349.1855214372. The cubic root of 128804012 is about 505.0214179068.

The spelling of 128804012 in words is "one hundred twenty-eight million, eight hundred four thousand, twelve".