303221212312 has 48 divisors (see below), whose sum is σ = 577549987560. Its totient is φ = 149244834816.

The previous prime is 303221212303. The next prime is 303221212313. The reversal of 303221212312 is 213212122303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303221212313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98864203 + ... + 98867269.

Almost surely, 2^303221212312 is an apocalyptic number.

It is an amenable number.

303221212312 is a deficient number, since it is larger than the sum of its proper divisors (274328775248).

303221212312 is a wasteful number, since it uses less digits than its factorization.

303221212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960 (or 5889 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 303221212312 its reverse (213212122303), we get a palindrome (516433334615).

Subtracting from 303221212312 its reverse (213212122303), we obtain a palindrome (90009090009).

The spelling of 303221212312 in words is "three hundred three billion, two hundred twenty-one million, two hundred twelve thousand, three hundred twelve".