2012815450 has 24 divisors (see below), whose sum is σ = 3814480188. Its totient is φ = 789934080.

The previous prime is 2012815433. The next prime is 2012815451. The reversal of 2012815450 is 545182102.

It can be written as a sum of positive squares in 6 ways, for example, as 598829841 + 1413985609 = 24471^2 + 37603^2 .

It is not an unprimeable number, because it can be changed into a prime (2012815451) 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 11 ways as a sum of consecutive naturals, for example, 377127 + ... + 382426.

Almost surely, 2^2012815450 is an apocalyptic number.

2012815450 is a deficient number, since it is larger than the sum of its proper divisors (1801664738).

2012815450 is a wasteful number, since it uses less digits than its factorization.

2012815450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759618 (or 759613 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 2012815450 is about 44864.4118427958. The cubic root of 2012815450 is about 1262.6063982479.

Adding to 2012815450 its reverse (545182102), we get a palindrome (2557997552).

The spelling of 2012815450 in words is "two billion, twelve million, eight hundred fifteen thousand, four hundred fifty".