2104203412 has 24 divisors (see below), whose sum is σ = 3878655200. Its totient is φ = 996087456.

The previous prime is 2104203389. The next prime is 2104203419. The reversal of 2104203412 is 2143024012.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2104203412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104203419) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 122914 + ... + 138982.

Almost surely, 2^2104203412 is an apocalyptic number.

It is an amenable number.

2104203412 is a deficient number, since it is larger than the sum of its proper divisors (1774451788).

2104203412 is a wasteful number, since it uses less digits than its factorization.

2104203412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17815 (or 17813 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2104203412 is about 45871.5970072985. The cubic root of 2104203412 is about 1281.4330085379.

Adding to 2104203412 its reverse (2143024012), we get a palindrome (4247227424).

The spelling of 2104203412 in words is "two billion, one hundred four million, two hundred three thousand, four hundred twelve".