30012120303012 has 18 divisors (see below), whose sum is σ = 75863970766038. Its totient is φ = 10004040100992.

The previous prime is 30012120302959. The next prime is 30012120303049. The reversal of 30012120303012 is 21030302121003.

30012120303012 is a `hidden beast` number, since 300 + 12 + 1 + 20 + 30 + 301 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29196234449316 + 815885853696 = 5403354^2 + 903264^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416835004173 + ... + 416835004244.

Almost surely, 2^{30012120303012} is an apocalyptic number.

It is an amenable number.

30012120303012 is an abundant number, since it is smaller than the sum of its proper divisors (45851850463026).

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

30012120303012 is a wasteful number, since it uses less digits than its factorization.

30012120303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833670008427 (or 833670008422 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30012120303012 its reverse (21030302121003), we get a palindrome (51042422424015).

The spelling of 30012120303012 in words is "thirty trillion, twelve billion, one hundred twenty million, three hundred three thousand, twelve".