30031302012 has 12 divisors (see below), whose sum is σ = 70073038056. Its totient is φ = 10010434000.

The previous prime is 30031301921. The next prime is 30031302013. The reversal of 30031302012 is 21020313003.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 30031301982 and 30031302000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031302013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251304239 + ... + 1251304262.

It is an arithmetic number, because the mean of its divisors is an integer number (5839419838).

Almost surely, 2^30031302012 is an apocalyptic number.

It is an amenable number.

30031302012 is an abundant number, since it is smaller than the sum of its proper divisors (40041736044).

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

30031302012 is a wasteful number, since it uses less digits than its factorization.

30031302012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502608508 (or 2502608506 counting only the distinct ones).

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

Adding to 30031302012 its reverse (21020313003), we get a palindrome (51051615015).

The spelling of 30031302012 in words is "thirty billion, thirty-one million, three hundred two thousand, twelve".