312230111212312 has 32 divisors (see below), whose sum is σ = 620693994294720. Its totient is φ = 146736168768000.

The previous prime is 312230111212303. The next prime is 312230111212321. The reversal of 312230111212312 is 213212111032213.

It is an interprime number because it is at equal distance from previous prime (312230111212303) and next prime (312230111212321).

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 7 ways as a sum of consecutive naturals, for example, 1528399623 + ... + 1528603894.

It is an arithmetic number, because the mean of its divisors is an integer number (19396687321710).

Almost surely, 2^{312230111212312} is an apocalyptic number.

It is an amenable number.

312230111212312 is a deficient number, since it is larger than the sum of its proper divisors (308463883082408).

312230111212312 is a wasteful number, since it uses less digits than its factorization.

312230111212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057004291 (or 3057004287 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 312230111212312 its reverse (213212111032213), we get a palindrome (525442222244525).

The spelling of 312230111212312 in words is "three hundred twelve trillion, two hundred thirty billion, one hundred eleven million, two hundred twelve thousand, three hundred twelve".