312330022212312 has 384 divisors, whose sum is σ = 985899544680960. Its totient is φ = 91911689210880.

The previous prime is 312330022212283. The next prime is 312330022212361. The reversal of 312330022212312 is 213212220033213.

312330022212312 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 300 + 22 + 21 + 2 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5371357623 + ... + 5371415769.

It is an arithmetic number, because the mean of its divisors is an integer number (2567446730940).

Almost surely, 2^{312330022212312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312330022212312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492949772340480).

312330022212312 is an abundant number, since it is smaller than the sum of its proper divisors (673569522468648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312330022212312 is a wasteful number, since it uses less digits than its factorization.

312330022212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67445 (or 67429 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 312330022212312 its reverse (213212220033213), we get a palindrome (525542242245525).

The spelling of 312330022212312 in words is "three hundred twelve trillion, three hundred thirty billion, twenty-two million, two hundred twelve thousand, three hundred twelve".