312402321042312 has 32 divisors (see below), whose sum is σ = 826947320407200. Its totient is φ = 98008571307264.

The previous prime is 312402321042221. The next prime is 312402321042313. The reversal of 312402321042312 is 213240123204213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 312402321042312.

It is not an unprimeable number, because it can be changed into a prime (312402321042313) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 382845981262 + ... + 382845982077.

It is an arithmetic number, because the mean of its divisors is an integer number (25842103762725).

Almost surely, 2^{312402321042312} is an apocalyptic number.

It is an amenable number.

312402321042312 is an abundant number, since it is smaller than the sum of its proper divisors (514544999364888).

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

312402321042312 is a wasteful number, since it uses less digits than its factorization.

312402321042312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765691963365 (or 765691963361 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 312402321042312 its reverse (213240123204213), we get a palindrome (525642444246525).

The spelling of 312402321042312 in words is "three hundred twelve trillion, four hundred two billion, three hundred twenty-one million, forty-two thousand, three hundred twelve".