12102124 has 12 divisors (see below), whose sum is σ = 21629664. Its totient is φ = 5922224.

The previous prime is 12102091. The next prime is 12102127. The reversal of 12102124 is 42120121.

It is a happy number.

It is a super-2 number, since 2×12102124² = 292922810622752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102127) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 31999 + ... + 32374.

It is an arithmetic number, because the mean of its divisors is an integer number (1802472).

Almost surely, 2^12102124 is an apocalyptic number.

It is an amenable number.

12102124 is a deficient number, since it is larger than the sum of its proper divisors (9527540).

12102124 is a wasteful number, since it uses less digits than its factorization.

12102124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64424 (or 64422 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12102124 is about 3478.8107163225. The cubic root of 12102124 is about 229.5904747836.

Adding to 12102124 its reverse (42120121), we get a palindrome (54222245).

The spelling of 12102124 in words is "twelve million, one hundred two thousand, one hundred twenty-four".