2012440333512 has 128 divisors (see below), whose sum is σ = 5867977248000. Its totient is φ = 574904139264.

The previous prime is 2012440333507. The next prime is 2012440333597. The reversal of 2012440333512 is 2153330442102.

It is a self number, because there is not a number n which added to its sum of digits gives 2012440333512.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 88342668 + ... + 88365444.

It is an arithmetic number, because the mean of its divisors is an integer number (45843572250).

Almost surely, 2^{2012440333512} 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 2012440333512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2933988624000).

2012440333512 is an abundant number, since it is smaller than the sum of its proper divisors (3855536914488).

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

2012440333512 is a wasteful number, since it uses less digits than its factorization.

2012440333512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33540 (or 33522 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 2012440333512 its reverse (2153330442102), we get a palindrome (4165770775614).

The spelling of 2012440333512 in words is "two trillion, twelve billion, four hundred forty million, three hundred thirty-three thousand, five hundred twelve".