312310003221212 has 48 divisors (see below), whose sum is σ = 554067860428992. Its totient is φ = 154017249361920.

The previous prime is 312310003221193. The next prime is 312310003221247. The reversal of 312310003221212 is 212122300013213.

It is a super-2 number, since 2×312310003221212² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833437412 + ... + 833812052.

It is an arithmetic number, because the mean of its divisors is an integer number (11543080425604).

Almost surely, 2^{312310003221212} is an apocalyptic number.

It is an amenable number.

312310003221212 is a deficient number, since it is larger than the sum of its proper divisors (241757857207780).

312310003221212 is a wasteful number, since it uses less digits than its factorization.

312310003221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382878 (or 382876 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 312310003221212 its reverse (212122300013213), we get a palindrome (524432303234425).

The spelling of 312310003221212 in words is "three hundred twelve trillion, three hundred ten billion, three million, two hundred twenty-one thousand, two hundred twelve".