30820030012 has 24 divisors (see below), whose sum is σ = 55735816752. Its totient is φ = 14902608000.

The previous prime is 30820029991. The next prime is 30820030039. The reversal of 30820030012 is 21003002803.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869689 + ... + 904432.

It is an arithmetic number, because the mean of its divisors is an integer number (2322325698).

Almost surely, 2^30820030012 is an apocalyptic number.

It is an amenable number.

30820030012 is a deficient number, since it is larger than the sum of its proper divisors (24915786740).

30820030012 is a wasteful number, since it uses less digits than its factorization.

30820030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774269 (or 1774267 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30820030012 its reverse (21003002803), we get a palindrome (51823032815).

The spelling of 30820030012 in words is "thirty billion, eight hundred twenty million, thirty thousand, twelve".