2012450443016 has 64 divisors (see below), whose sum is σ = 4106461516080. Its totient is φ = 919075921920.

The previous prime is 2012450442941. The next prime is 2012450443063. The reversal of 2012450443016 is 6103440542102.

It can be written as a sum of positive squares in 8 ways, for example, as 607168224100 + 1405282218916 = 779210^2 + 1185446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3679340 + ... + 4190756.

Almost surely, 2^{2012450443016} is an apocalyptic number.

2012450443016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012450443016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2053230758040).

2012450443016 is an abundant number, since it is smaller than the sum of its proper divisors (2094011073064).

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

2012450443016 is a wasteful number, since it uses less digits than its factorization.

2012450443016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511834 (or 511830 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 2012450443016 its reverse (6103440542102), we get a palindrome (8115890985118).

The spelling of 2012450443016 in words is "two trillion, twelve billion, four hundred fifty million, four hundred forty-three thousand, sixteen".