2012311232 has 56 divisors (see below), whose sum is σ = 4089629616. Its totient is φ = 982130688.

The previous prime is 2012311159. The next prime is 2012311237. The reversal of 2012311232 is 2321132102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012311232.

It is not an unprimeable number, because it can be changed into a prime (2012311237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482468 + ... + 486620.

Almost surely, 2^2012311232 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 2012311232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2044814808).

2012311232 is an abundant number, since it is smaller than the sum of its proper divisors (2077318384).

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

2012311232 is a wasteful number, since it uses less digits than its factorization.

2012311232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345 (or 4335 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2012311232 is about 44858.7921371051. The cubic root of 2012311232 is about 1262.5009601927.

Adding to 2012311232 its reverse (2321132102), we get a palindrome (4333443334).

The spelling of 2012311232 in words is "two billion, twelve million, three hundred eleven thousand, two hundred thirty-two".