12123201 has 16 divisors (see below), whose sum is σ = 16967168. Its totient is φ = 7689600.

The previous prime is 12123187. The next prime is 12123211. The reversal of 12123201 is 10232121.

12123201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12123201 - 2¹⁴ = 12106817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12123211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4605 + ... + 6741.

It is an arithmetic number, because the mean of its divisors is an integer number (1060448).

Almost surely, 2^12123201 is an apocalyptic number.

It is an amenable number.

12123201 is a deficient number, since it is larger than the sum of its proper divisors (4843967).

12123201 is a wasteful number, since it uses less digits than its factorization.

12123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 12123201 is about 3481.8387383680. The cubic root of 12123201 is about 229.7236820320.

Adding to 12123201 its reverse (10232121), we get a palindrome (22355322).

The spelling of 12123201 in words is "twelve million, one hundred twenty-three thousand, two hundred one".