30301323012 has 36 divisors (see below), whose sum is σ = 78665149836. Its totient is φ = 9827455680.

The previous prime is 30301322983. The next prime is 30301323053. The reversal of 30301323012 is 21032310303.

30301323012 is a `hidden beast` number, since 30 + 301 + 32 + 301 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28504919556 + 1796403456 = 168834^2 + 42384^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11373039 + ... + 11375702.

It is an arithmetic number, because the mean of its divisors is an integer number (2185143051).

Almost surely, 2^30301323012 is an apocalyptic number.

It is an amenable number.

30301323012 is an abundant number, since it is smaller than the sum of its proper divisors (48363826824).

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

30301323012 is a wasteful number, since it uses less digits than its factorization.

30301323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22748788 (or 22748783 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30301323012 its reverse (21032310303), we get a palindrome (51333633315).

The spelling of 30301323012 in words is "thirty billion, three hundred one million, three hundred twenty-three thousand, twelve".