312211313242012 has 12 divisors (see below), whose sum is σ = 546383630947000. Its totient is φ = 156101704400016.

The previous prime is 312211313242001. The next prime is 312211313242027. The reversal of 312211313242012 is 210242313112213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987877503 + ... + 988193494.

Almost surely, 2^{312211313242012} is an apocalyptic number.

It is an amenable number.

312211313242012 is a deficient number, since it is larger than the sum of its proper divisors (234172317704988).

312211313242012 is a wasteful number, since it uses less digits than its factorization.

312211313242012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976110500 (or 1976110498 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 312211313242012 its reverse (210242313112213), we get a palindrome (522453626354225).

The spelling of 312211313242012 in words is "three hundred twelve trillion, two hundred eleven billion, three hundred thirteen million, two hundred forty-two thousand, twelve".