2012131344 has 20 divisors (see below), whose sum is σ = 5198006096. Its totient is φ = 670710432.

The previous prime is 2012131301. The next prime is 2012131349. The reversal of 2012131344 is 4431312102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012131344.

It is not an unprimeable number, because it can be changed into a prime (2012131349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20959654 + ... + 20959749.

Almost surely, 2^2012131344 is an apocalyptic number.

2012131344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2012131344 is an abundant number, since it is smaller than the sum of its proper divisors (3185874752).

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

2012131344 is a wasteful number, since it uses less digits than its factorization.

2012131344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41919414 (or 41919408 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2012131344 is about 44856.7870449947. The cubic root of 2012131344 is about 1262.4633391831.

Adding to 2012131344 its reverse (4431312102), we get a palindrome (6443443446).

The spelling of 2012131344 in words is "two billion, twelve million, one hundred thirty-one thousand, three hundred forty-four".