2012110500 has 96 divisors (see below), whose sum is σ = 5947014528. Its totient is φ = 528528000.

The previous prime is 2012110489. The next prime is 2012110501. The reversal of 2012110500 is 50112102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2012110501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90490 + ... + 110510.

It is an arithmetic number, because the mean of its divisors is an integer number (61948068).

Almost surely, 2^2012110500 is an apocalyptic number.

2012110500 is a gapful number since it is divisible by the number (20) 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 2012110500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2973507264).

2012110500 is an abundant number, since it is smaller than the sum of its proper divisors (3934904028).

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

2012110500 is a wasteful number, since it uses less digits than its factorization.

2012110500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20110 (or 20098 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 2012110500 is about 44856.5547049704. The cubic root of 2012110500 is about 1262.4589798129.

Adding to 2012110500 its reverse (50112102), we get a palindrome (2062222602).

The spelling of 2012110500 in words is "two billion, twelve million, one hundred ten thousand, five hundred".