303220012 has 24 divisors (see below), whose sum is σ = 565644800. Its totient is φ = 141809616.

The previous prime is 303219997. The next prime is 303220037. The reversal of 303220012 is 210022303.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 303219974 and 303220001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19248 + ... + 31255.

Almost surely, 2^303220012 is an apocalyptic number.

It is an amenable number.

303220012 is a deficient number, since it is larger than the sum of its proper divisors (262424788).

303220012 is a wasteful number, since it uses less digits than its factorization.

303220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50605 (or 50603 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 303220012 is about 17413.2137183232. The cubic root of 303220012 is about 671.8195229391.

Adding to 303220012 its reverse (210022303), we get a palindrome (513242315).

The spelling of 303220012 in words is "three hundred three million, two hundred twenty thousand, twelve".