30032012457 has 12 divisors (see below), whose sum is σ = 43411464564. Its totient is φ = 20006622720.

The previous prime is 30032012447. The next prime is 30032012459. The reversal of 30032012457 is 75421023003.

30032012457 is a `hidden beast` number, since 3 + 0 + 0 + 3 + 201 + 2 + 457 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13501510416 + 16530502041 = 116196^2 + 128571^2 .

It is not a de Polignac number, because 30032012457 - 2⁴ = 30032012441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30032012457.

It is not an unprimeable number, because it can be changed into a prime (30032012459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1213648 + ... + 1238145.

It is an arithmetic number, because the mean of its divisors is an integer number (3617622047).

Almost surely, 2^30032012457 is an apocalyptic number.

It is an amenable number.

30032012457 is a deficient number, since it is larger than the sum of its proper divisors (13379452107).

30032012457 is a wasteful number, since it uses less digits than its factorization.

30032012457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453160 (or 2453157 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The spelling of 30032012457 in words is "thirty billion, thirty-two million, twelve thousand, four hundred fifty-seven".