301012320021012 has 72 divisors (see below), whose sum is σ = 792161798302056. Its totient is φ = 96288280049664.

The previous prime is 301012320020989. The next prime is 301012320021013. The reversal of 301012320021012 is 210120023210103.

301012320021012 is a `hidden beast` number, since 30 + 101 + 2 + 320 + 0 + 210 + 1 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 73741137354756 + 227271182666256 = 8587266^2 + 15075516^2 .

It is a super-2 number, since 2×301012320021012² (a number of 30 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301012320021013) 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 23 ways as a sum of consecutive naturals, for example, 1547746773 + ... + 1547941244.

Almost surely, 2^{301012320021012} is an apocalyptic number.

It is an amenable number.

301012320021012 is an abundant number, since it is smaller than the sum of its proper divisors (491149478281044).

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

301012320021012 is a wasteful number, since it uses less digits than its factorization.

301012320021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095688137 (or 3095688132 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 301012320021012 its reverse (210120023210103), we get a palindrome (511132343231115).

The spelling of 301012320021012 in words is "three hundred one trillion, twelve billion, three hundred twenty million, twenty-one thousand, twelve".