2012178328 has 8 divisors (see below), whose sum is σ = 3772834380. Its totient is φ = 1006089160.

The previous prime is 2012178319. The next prime is 2012178331. The reversal of 2012178328 is 8238712102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2012178293 and 2012178302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125761138 + ... + 125761153.

Almost surely, 2^2012178328 is an apocalyptic number.

It is an amenable number.

2012178328 is a deficient number, since it is larger than the sum of its proper divisors (1760656052).

2012178328 is a wasteful number, since it uses less digits than its factorization.

2012178328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251522297 (or 251522293 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 2012178328 is about 44857.3107530980. The cubic root of 2012178328 is about 1262.4731654330.

The spelling of 2012178328 in words is "two billion, twelve million, one hundred seventy-eight thousand, three hundred twenty-eight".