12123371 has 4 divisors (see below), whose sum is σ = 13055952. Its totient is φ = 11190792.

The previous prime is 12123367. The next prime is 12123373. The reversal of 12123371 is 17332121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12123371 - 2² = 12123367 is a prime.

It is a super-2 number, since 2×12123371² = 293952248807282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12123373) 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, 466271 + ... + 466296.

It is an arithmetic number, because the mean of its divisors is an integer number (3263988).

Almost surely, 2^12123371 is an apocalyptic number.

12123371 is a deficient number, since it is larger than the sum of its proper divisors (932581).

12123371 is an equidigital number, since it uses as much as digits as its factorization.

12123371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932580.

The product of its digits is 252, while the sum is 20.

The square root of 12123371 is about 3481.8631506709. The cubic root of 12123371 is about 229.7247558090.

Adding to 12123371 its reverse (17332121), we get a palindrome (29455492).

The spelling of 12123371 in words is "twelve million, one hundred twenty-three thousand, three hundred seventy-one".