12121324 has 6 divisors (see below), whose sum is σ = 21212324. Its totient is φ = 6060660.

The previous prime is 12121321. The next prime is 12121327. The reversal of 12121324 is 42312121.

It is an interprime number because it is at equal distance from previous prime (12121321) and next prime (12121327).

It is a junction number, because it is equal to n+sod(n) for n = 12121298 and 12121307.

It is not an unprimeable number, because it can be changed into a prime (12121321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515162 + ... + 1515169.

Almost surely, 2^12121324 is an apocalyptic number.

It is an amenable number.

12121324 is a deficient number, since it is larger than the sum of its proper divisors (9091000).

12121324 is a wasteful number, since it uses less digits than its factorization.

12121324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030335 (or 3030333 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 12121324 is about 3481.5691864445. The cubic root of 12121324 is about 229.7118256033.

Adding to 12121324 its reverse (42312121), we get a palindrome (54433445).

The spelling of 12121324 in words is "twelve million, one hundred twenty-one thousand, three hundred twenty-four".