312323101212 has 24 divisors (see below), whose sum is σ = 733395651856. Its totient is φ = 103444593408.

The previous prime is 312323101169. The next prime is 312323101213. The reversal of 312323101212 is 212101323213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312323101213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82886413 + ... + 82890180.

Almost surely, 2^312323101212 is an apocalyptic number.

It is an amenable number.

312323101212 is an abundant number, since it is smaller than the sum of its proper divisors (421072550644).

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

312323101212 is a wasteful number, since it uses less digits than its factorization.

312323101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165776757 (or 165776755 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312323101212 its reverse (212101323213), we get a palindrome (524424424425).

The spelling of 312323101212 in words is "three hundred twelve billion, three hundred twenty-three million, one hundred one thousand, two hundred twelve".