4012028128 has 12 divisors (see below), whose sum is σ = 7898680440. Its totient is φ = 2006014048.

The previous prime is 4012028123. The next prime is 4012028129. The reversal of 4012028128 is 8218202104.

It is a junction number, because it is equal to n+sod(n) for n = 4012028096 and 4012028105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012028123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62687908 + ... + 62687971.

It is an arithmetic number, because the mean of its divisors is an integer number (658223370).

Almost surely, 2^4012028128 is an apocalyptic number.

It is an amenable number.

4012028128 is a deficient number, since it is larger than the sum of its proper divisors (3886652312).

4012028128 is a wasteful number, since it uses less digits than its factorization.

4012028128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125375889 (or 125375881 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 4012028128 is about 63340.5725266199. The cubic root of 4012028128 is about 1588.9905816957.

The spelling of 4012028128 in words is "four billion, twelve million, twenty-eight thousand, one hundred twenty-eight".