2110020012 has 72 divisors (see below), whose sum is σ = 5502394352. Its totient is φ = 681436800.

The previous prime is 2110020007. The next prime is 2110020043. The reversal of 2110020012 is 2100200112.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2110019976 and 2110020003.

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 23 ways as a sum of consecutive naturals, for example, 139962 + ... + 154302.

Almost surely, 2^2110020012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2110020012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2751197176).

2110020012 is an abundant number, since it is smaller than the sum of its proper divisors (3392374340).

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

2110020012 is a wasteful number, since it uses less digits than its factorization.

2110020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14479 (or 14474 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2110020012 is about 45934.9541416991. The cubic root of 2110020012 is about 1282.6126672789.

Adding to 2110020012 its reverse (2100200112), we get a palindrome (4210220124).

The spelling of 2110020012 in words is "two billion, one hundred ten million, twenty thousand, twelve".