2012304312 has 24 divisors (see below), whose sum is σ = 5449991040. Its totient is φ = 670768080.

The previous prime is 2012304299. The next prime is 2012304317. The reversal of 2012304312 is 2134032102.

2012304312 is a `hidden beast` number, since 2 + 0 + 1 + 230 + 431 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012304317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13974264 + ... + 13974407.

It is an arithmetic number, because the mean of its divisors is an integer number (227082960).

Almost surely, 2^2012304312 is an apocalyptic number.

It is an amenable number.

2012304312 is an abundant number, since it is smaller than the sum of its proper divisors (3437686728).

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

2012304312 is a wasteful number, since it uses less digits than its factorization.

2012304312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27948683 (or 27948676 counting only the distinct ones).

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

The square root of 2012304312 is about 44858.7150061167. The cubic root of 2012304312 is about 1262.4995130149.

Adding to 2012304312 its reverse (2134032102), we get a palindrome (4146336414).

The spelling of 2012304312 in words is "two billion, twelve million, three hundred four thousand, three hundred twelve".