12122123 has 4 divisors (see below), whose sum is σ = 13054608. Its totient is φ = 11189640.

The previous prime is 12122119. The next prime is 12122153. The reversal of 12122123 is 32122121.

It is a happy number.

12122123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32122121 = 173 ⋅185677.

It is a cyclic number.

It is not a de Polignac number, because 12122123 - 2² = 12122119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122098 and 12122107.

It is not an unprimeable number, because it can be changed into a prime (12122153) 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, 466223 + ... + 466248.

It is an arithmetic number, because the mean of its divisors is an integer number (3263652).

Almost surely, 2^12122123 is an apocalyptic number.

12122123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12122123 is a deficient number, since it is larger than the sum of its proper divisors (932485).

12122123 is an equidigital number, since it uses as much as digits as its factorization.

12122123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932484.

The product of its digits is 48, while the sum is 14.

The square root of 12122123 is about 3481.6839316630. The cubic root of 12122123 is about 229.7168727889.

Adding to 12122123 its reverse (32122121), we get a palindrome (44244244).

The spelling of 12122123 in words is "twelve million, one hundred twenty-two thousand, one hundred twenty-three".