312230310220212 has 48 divisors (see below), whose sum is σ = 732437003847360. Its totient is φ = 103519866267648.

The previous prime is 312230310220189. The next prime is 312230310220217. The reversal of 312230310220212 is 212022013032213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312230310220217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2107303 + ... + 25077905.

It is an arithmetic number, because the mean of its divisors is an integer number (15259104246820).

Almost surely, 2^{312230310220212} is an apocalyptic number.

It is an amenable number.

312230310220212 is an abundant number, since it is smaller than the sum of its proper divisors (420206693627148).

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

312230310220212 is a wasteful number, since it uses less digits than its factorization.

312230310220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22976672 (or 22976670 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 312230310220212 its reverse (212022013032213), we get a palindrome (524252323252425).

The spelling of 312230310220212 in words is "three hundred twelve trillion, two hundred thirty billion, three hundred ten million, two hundred twenty thousand, two hundred twelve".