2105885012 has 48 divisors (see below), whose sum is σ = 4600192128. Its totient is φ = 819486720.

The previous prime is 2105885003. The next prime is 2105885017.

It is a happy number.

2105885012 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2105885012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105885017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284948 + ... + 292244.

It is an arithmetic number, because the mean of its divisors is an integer number (95837336).

Almost surely, 2^2105885012 is an apocalyptic number.

2105885012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2105885012 is an abundant number, since it is smaller than the sum of its proper divisors (2494307116).

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

2105885012 is a wasteful number, since it uses less digits than its factorization.

2105885012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8256 (or 8254 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 2105885012 is about 45889.9227717807. The cubic root of 2105885012 is about 1281.7742752872.

The spelling of 2105885012 in words is "two billion, one hundred five million, eight hundred eighty-five thousand, twelve".