12123411 has 4 divisors (see below), whose sum is σ = 16164552. Its totient is φ = 8082272.

The previous prime is 12123373. The next prime is 12123439. The reversal of 12123411 is 11432121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11432121 = 3 ⋅3810707.

It is a cyclic number.

It is not a de Polignac number, because 12123411 - 2⁷ = 12123283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12123481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020566 + ... + 2020571.

It is an arithmetic number, because the mean of its divisors is an integer number (4041138).

Almost surely, 2^12123411 is an apocalyptic number.

12123411 is a deficient number, since it is larger than the sum of its proper divisors (4041141).

12123411 is an equidigital number, since it uses as much as digits as its factorization.

12123411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041140.

The product of its digits is 48, while the sum is 15.

The square root of 12123411 is about 3481.8688947173. The cubic root of 12123411 is about 229.7250084610.

Adding to 12123411 its reverse (11432121), we get a palindrome (23555532).

It can be divided in two parts, 121 and 23411, that added together give a palindrome (23532).

The spelling of 12123411 in words is "twelve million, one hundred twenty-three thousand, four hundred eleven".