2012015680 has 56 divisors (see below), whose sum is σ = 4881551832. Its totient is φ = 789614592.

The previous prime is 2012015651. The next prime is 2012015741. The reversal of 2012015680 is 865102102.

It can be written as a sum of positive squares in 4 ways, for example, as 586802176 + 1425213504 = 24224^2 + 37752^2 .

It is a super-3 number, since 3×2012015680³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42357 + ... + 76276.

Almost surely, 2^2012015680 is an apocalyptic number.

2012015680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012015680 is an abundant number, since it is smaller than the sum of its proper divisors (2869536152).

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

2012015680 is a wasteful number, since it uses less digits than its factorization.

2012015680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118703 (or 118693 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 2012015680 is about 44855.4977678322. The cubic root of 2012015680 is about 1262.4391485228.

Adding to 2012015680 its reverse (865102102), we get a palindrome (2877117782).

The spelling of 2012015680 in words is "two billion, twelve million, fifteen thousand, six hundred eighty".