12110421 has 8 divisors (see below), whose sum is σ = 16164000. Its totient is φ = 8065232.

The previous prime is 12110407. The next prime is 12110437. The reversal of 12110421 is 12401121.

It is a happy number.

12110421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12110421 - 2²³ = 3721813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12110397 and 12110406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3151 + ... + 5843.

It is an arithmetic number, because the mean of its divisors is an integer number (2020500).

Almost surely, 2^12110421 is an apocalyptic number.

It is an amenable number.

12110421 is a deficient number, since it is larger than the sum of its proper divisors (4053579).

12110421 is a wasteful number, since it uses less digits than its factorization.

12110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 12110421 is about 3480.0030172401. The cubic root of 12110421 is about 229.6429305071.

Adding to 12110421 its reverse (12401121), we get a palindrome (24511542).

The spelling of 12110421 in words is "twelve million, one hundred ten thousand, four hundred twenty-one".