2012100560 has 20 divisors (see below), whose sum is σ = 4678133988. Its totient is φ = 804840192.

The previous prime is 2012100553. The next prime is 2012100581. The reversal of 2012100560 is 650012102.

It can be written as a sum of positive squares in 2 ways, for example, as 972940864 + 1039159696 = 31192^2 + 32236^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12575549 + ... + 12575708.

Almost surely, 2^2012100560 is an apocalyptic number.

2012100560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012100560 is an abundant number, since it is smaller than the sum of its proper divisors (2666033428).

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

2012100560 is a wasteful number, since it uses less digits than its factorization.

2012100560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25151270 (or 25151264 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2012100560 is about 44856.4439072025. The cubic root of 2012100560 is about 1262.4569009239.

Adding to 2012100560 its reverse (650012102), we get a palindrome (2662112662).

The spelling of 2012100560 in words is "two billion, twelve million, one hundred thousand, five hundred sixty".