303312122012 has 24 divisors (see below), whose sum is σ = 533136292416. Its totient is φ = 150987619328.

The previous prime is 303312122011. The next prime is 303312122053. The reversal of 303312122012 is 210221213303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303312122011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12305933 + ... + 12330555.

It is an arithmetic number, because the mean of its divisors is an integer number (22214012184).

Almost surely, 2^303312122012 is an apocalyptic number.

It is an amenable number.

303312122012 is a deficient number, since it is larger than the sum of its proper divisors (229824170404).

303312122012 is a wasteful number, since it uses less digits than its factorization.

303312122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38077 (or 38075 counting only the distinct ones).

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

Adding to 303312122012 its reverse (210221213303), we get a palindrome (513533335315).

The spelling of 303312122012 in words is "three hundred three billion, three hundred twelve million, one hundred twenty-two thousand, twelve".