12123164 has 6 divisors (see below), whose sum is σ = 21215544. Its totient is φ = 6061580.

The previous prime is 12123151. The next prime is 12123173. The reversal of 12123164 is 46132121.

It is a super-2 number, since 2×12123164² = 293942210741792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515392 + ... + 1515399.

It is an arithmetic number, because the mean of its divisors is an integer number (3535924).

Almost surely, 2^12123164 is an apocalyptic number.

It is an amenable number.

12123164 is a deficient number, since it is larger than the sum of its proper divisors (9092380).

12123164 is a wasteful number, since it uses less digits than its factorization.

12123164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030795 (or 3030793 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 12123164 is about 3481.8334250794. The cubic root of 12123164 is about 229.7234483263.

Adding to 12123164 its reverse (46132121), we get a palindrome (58255285).

The spelling of 12123164 in words is "twelve million, one hundred twenty-three thousand, one hundred sixty-four".