30320013012 has 24 divisors (see below), whose sum is σ = 71715831936. Its totient is φ = 9968223168.

The previous prime is 30320012999. The next prime is 30320013019. The reversal of 30320013012 is 21031002303.

It is a junction number, because it is equal to n+sod(n) for n = 30320012982 and 30320013000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320013019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17305068 + ... + 17306819.

It is an arithmetic number, because the mean of its divisors is an integer number (2988159664).

Almost surely, 2^30320013012 is an apocalyptic number.

It is an amenable number.

30320013012 is an abundant number, since it is smaller than the sum of its proper divisors (41395818924).

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

30320013012 is a wasteful number, since it uses less digits than its factorization.

30320013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34611967 (or 34611965 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30320013012 its reverse (21031002303), we get a palindrome (51351015315).

The spelling of 30320013012 in words is "thirty billion, three hundred twenty million, thirteen thousand, twelve".