12101424 has 40 divisors (see below), whose sum is σ = 31782192. Its totient is φ = 3966720.

The previous prime is 12101417. The next prime is 12101443. The reversal of 12101424 is 42410121.

It is a congruent number.

It is an unprimeable number.

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, 862 + ... + 4994.

Almost surely, 2^12101424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12101424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15891096).

12101424 is an abundant number, since it is smaller than the sum of its proper divisors (19680768).

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

12101424 is a wasteful number, since it uses less digits than its factorization.

12101424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205 (or 4199 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 12101424 is about 3478.7101057720. The cubic root of 12101424 is about 229.5860481108.

Adding to 12101424 its reverse (42410121), we get a palindrome (54511545).

The spelling of 12101424 in words is "twelve million, one hundred one thousand, four hundred twenty-four".