2012312331304 has 24 divisors (see below), whose sum is σ = 4147275932730. Its totient is φ = 914687422880.

The previous prime is 2012312331301. The next prime is 2012312331343. The reversal of 2012312331304 is 4031332132102.

It can be written as a sum of positive squares in only one way, i.e., 1936578392100 + 75733939204 = 1391610^2 + 275198^2 .

It is not an unprimeable number, because it can be changed into a prime (2012312331301) 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 5 ways as a sum of consecutive naturals, for example, 1039416559 + ... + 1039418494.

Almost surely, 2^{2012312331304} is an apocalyptic number.

It is an amenable number.

2012312331304 is an abundant number, since it is smaller than the sum of its proper divisors (2134963601426).

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

2012312331304 is a wasteful number, since it uses less digits than its factorization.

2012312331304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078835081 (or 2078835066 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2012312331304 its reverse (4031332132102), we get a palindrome (6043644463406).

The spelling of 2012312331304 in words is "two trillion, twelve billion, three hundred twelve million, three hundred thirty-one thousand, three hundred four".