2105004312 has 24 divisors (see below), whose sum is σ = 5701053540. Its totient is φ = 701668080.

The previous prime is 2105004271. The next prime is 2105004323. The reversal of 2105004312 is 2134005012.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14618014 + ... + 14618157.

Almost surely, 2^2105004312 is an apocalyptic number.

It is an amenable number.

2105004312 is an abundant number, since it is smaller than the sum of its proper divisors (3596049228).

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

2105004312 is a wasteful number, since it uses less digits than its factorization.

2105004312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29236183 (or 29236176 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2105004312 is about 45880.3259796615. The cubic root of 2105004312 is about 1281.5955672064.

Adding to 2105004312 its reverse (2134005012), we get a palindrome (4239009324).

The spelling of 2105004312 in words is "two billion, one hundred five million, four thousand, three hundred twelve".