2212302312 has 96 divisors (see below), whose sum is σ = 6552524160. Its totient is φ = 668736000.

The previous prime is 2212302299. The next prime is 2212302319. The reversal of 2212302312 is 2132032122.

2212302312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2212302319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338112 + ... + 344592.

It is an arithmetic number, because the mean of its divisors is an integer number (68255460).

Almost surely, 2^2212302312 is an apocalyptic number.

2212302312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212302312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3276262080).

2212302312 is an abundant number, since it is smaller than the sum of its proper divisors (4340221848).

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

2212302312 is a wasteful number, since it uses less digits than its factorization.

2212302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935 (or 6928 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2212302312 is about 47035.1178588935. The cubic root of 2212302312 is about 1303.0112271183.

Adding to 2212302312 its reverse (2132032122), we get a palindrome (4344334434).

The spelling of 2212302312 in words is "two billion, two hundred twelve million, three hundred two thousand, three hundred twelve".