312133303012 has 24 divisors (see below), whose sum is σ = 557487899136. Its totient is φ = 152861081568.

The previous prime is 312133302967. The next prime is 312133303049. The reversal of 312133303012 is 210303331213.

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, 1129668 + ... + 1378555.

It is an arithmetic number, because the mean of its divisors is an integer number (23228662464).

Almost surely, 2^312133303012 is an apocalyptic number.

It is an amenable number.

312133303012 is a deficient number, since it is larger than the sum of its proper divisors (245354596124).

312133303012 is a wasteful number, since it uses less digits than its factorization.

312133303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508867 (or 2508865 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 312133303012 its reverse (210303331213), we get a palindrome (522436634225).

The spelling of 312133303012 in words is "three hundred twelve billion, one hundred thirty-three million, three hundred three thousand, twelve".