30008357812 has 48 divisors (see below), whose sum is σ = 53712968400. Its totient is φ = 14665282560.

The previous prime is 30008357773. The next prime is 30008357839. The reversal of 30008357812 is 21875380003.

It can be written as a sum of positive squares in 8 ways, for example, as 5972816656 + 24035541156 = 77284^2 + 155034^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38820258 + ... + 38821030.

It is an arithmetic number, because the mean of its divisors is an integer number (1119020175).

Almost surely, 2^30008357812 is an apocalyptic number.

It is an amenable number.

30008357812 is a deficient number, since it is larger than the sum of its proper divisors (23704610588).

30008357812 is a wasteful number, since it uses less digits than its factorization.

30008357812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 30008357812 in words is "thirty billion, eight million, three hundred fifty-seven thousand, eight hundred twelve".