303121230212 has 12 divisors (see below), whose sum is σ = 530641565580. Its totient is φ = 151509354336.

The previous prime is 303121230173. The next prime is 303121230227. The reversal of 303121230212 is 212032121303.

It can be written as a sum of positive squares in 2 ways, for example, as 181114931776 + 122006298436 = 425576^2 + 349294^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12801887 + ... + 12825542.

It is an arithmetic number, because the mean of its divisors is an integer number (44220130465).

Almost surely, 2^303121230212 is an apocalyptic number.

It is an amenable number.

303121230212 is a deficient number, since it is larger than the sum of its proper divisors (227520335368).

303121230212 is a wasteful number, since it uses less digits than its factorization.

303121230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25630390 (or 25630388 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 303121230212 its reverse (212032121303), we get a palindrome (515153351515).

The spelling of 303121230212 in words is "three hundred three billion, one hundred twenty-one million, two hundred thirty thousand, two hundred twelve".