2105012 has 24 divisors (see below), whose sum is σ = 4534656. Its totient is φ = 832608.

The previous prime is 2105009. The next prime is 2105027.

2105012 is nontrivially palindromic in base 10.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2104984 and 2105002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2528 + ... + 3255.

It is an arithmetic number, because the mean of its divisors is an integer number (188944).

2^2105012 is an apocalyptic number.

It is an amenable number.

2105012 is an abundant number, since it is smaller than the sum of its proper divisors (2429644).

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

2105012 is a wasteful number, since it uses less digits than its factorization.

2105012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807 (or 5805 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2105012 is about 1450.8659483219. The cubic root of 2105012 is about 128.1597127440.

Multiplying 2105012 by its sum of digits (11), we get a palindrome (23155132).

The spelling of 2105012 in words is "two million, one hundred five thousand, twelve".