310212012 has 96 divisors (see below), whose sum is σ = 837043200. Its totient is φ = 88430400.

The previous prime is 310211987. The next prime is 310212013. The reversal of 310212012 is 210212013.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (310212013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448587 + ... + 449277.

It is an arithmetic number, because the mean of its divisors is an integer number (8719200).

Almost surely, 2^310212012 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 310212012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418521600).

310212012 is an abundant number, since it is smaller than the sum of its proper divisors (526831188).

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

310212012 is a wasteful number, since it uses less digits than its factorization.

310212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 310212012 is about 17612.8365688210. The cubic root of 310212012 is about 676.9441977821.

Adding to 310212012 its reverse (210212013), we get a palindrome (520424025).

Subtracting from 310212012 its reverse (210212013), we obtain a palindrome (99999999).

It can be divided in two parts, 31021 and 2012, that added together give a palindrome (33033).

The spelling of 310212012 in words is "three hundred ten million, two hundred twelve thousand, twelve".