12101804 has 24 divisors (see below), whose sum is σ = 24881808. Its totient is φ = 5077440.

The previous prime is 12101801. The next prime is 12101809. The reversal of 12101804 is 40810121.

It is not an unprimeable number, because it can be changed into a prime (12101801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10007 + ... + 11150.

It is an arithmetic number, because the mean of its divisors is an integer number (1036742).

Almost surely, 2^12101804 is an apocalyptic number.

It is an amenable number.

12101804 is an abundant number, since it is smaller than the sum of its proper divisors (12780004).

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

12101804 is a wasteful number, since it uses less digits than its factorization.

12101804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21185 (or 21183 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 12101804 is about 3478.7647232890. The cubic root of 12101804 is about 229.5884511829.

Adding to 12101804 its reverse (40810121), we get a palindrome (52911925).

The spelling of 12101804 in words is "twelve million, one hundred one thousand, eight hundred four".