312332011212 has 96 divisors (see below), whose sum is σ = 808189046784. Its totient is φ = 93266956800.

The previous prime is 312332011207. The next prime is 312332011217. The reversal of 312332011212 is 212110233213.

It is an interprime number because it is at equal distance from previous prime (312332011207) and next prime (312332011217).

It is not an unprimeable number, because it can be changed into a prime (312332011217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1093803 + ... + 1349469.

It is an arithmetic number, because the mean of its divisors is an integer number (8418635904).

Almost surely, 2^312332011212 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 312332011212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404094523392).

312332011212 is an abundant number, since it is smaller than the sum of its proper divisors (495857035572).

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

312332011212 is a wasteful number, since it uses less digits than its factorization.

312332011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255919 (or 255917 counting only the distinct ones).

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

Adding to 312332011212 its reverse (212110233213), we get a palindrome (524442244425).

The spelling of 312332011212 in words is "three hundred twelve billion, three hundred thirty-two million, eleven thousand, two hundred twelve".