3128523012 has 36 divisors (see below), whose sum is σ = 8121949836. Its totient is φ = 1014655680.

The previous prime is 3128523001. The next prime is 3128523019. The reversal of 3128523012 is 2103258213.

3128523012 is a `hidden beast` number, since 3 + 128 + 523 + 0 + 12 = 666.

3128523012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2537741376 + 590781636 = 50376^2 + 24306^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3128523012² = 19575312473227104288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3128523019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1173039 + ... + 1175702.

Almost surely, 2^3128523012 is an apocalyptic number.

It is an amenable number.

3128523012 is an abundant number, since it is smaller than the sum of its proper divisors (4993426824).

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

3128523012 is a wasteful number, since it uses less digits than its factorization.

3128523012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348788 (or 2348783 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3128523012 is about 55933.2013387398. The cubic root of 3128523012 is about 1462.5580680867.

The spelling of 3128523012 in words is "three billion, one hundred twenty-eight million, five hundred twenty-three thousand, twelve".