301221120012 has 24 divisors (see below), whose sum is σ = 703942376256. Its totient is φ = 100250883408.

The previous prime is 301221120007. The next prime is 301221120029. The reversal of 301221120012 is 210021122103.

It is a junction number, because it is equal to n+sod(n) for n = 301221119973 and 301221120000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19511538 + ... + 19526969.

It is an arithmetic number, because the mean of its divisors is an integer number (29330932344).

Almost surely, 2^301221120012 is an apocalyptic number.

It is an amenable number.

301221120012 is an abundant number, since it is smaller than the sum of its proper divisors (402721256244).

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

301221120012 is a wasteful number, since it uses less digits than its factorization.

301221120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39039157 (or 39039155 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 301221120012 its reverse (210021122103), we get a palindrome (511242242115).

The spelling of 301221120012 in words is "three hundred one billion, two hundred twenty-one million, one hundred twenty thousand, twelve".