303213123212 has 24 divisors (see below), whose sum is σ = 548942003904. Its totient is φ = 146432368512.

The previous prime is 303213123203. The next prime is 303213123223. The reversal of 303213123212 is 212321312303.

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 7 ways as a sum of consecutive naturals, for example, 7456868 + ... + 7497419.

It is an arithmetic number, because the mean of its divisors is an integer number (22872583496).

Almost surely, 2^303213123212 is an apocalyptic number.

It is an amenable number.

303213123212 is a deficient number, since it is larger than the sum of its proper divisors (245728880692).

303213123212 is a wasteful number, since it uses less digits than its factorization.

303213123212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14954465 (or 14954463 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 303213123212 its reverse (212321312303), we get a palindrome (515534435515).

The spelling of 303213123212 in words is "three hundred three billion, two hundred thirteen million, one hundred twenty-three thousand, two hundred twelve".