12124216 has 16 divisors (see below), whose sum is σ = 24481800. Its totient is φ = 5595744.

The previous prime is 12124201. The next prime is 12124241. The reversal of 12124216 is 61242121.

It is a super-2 number, since 2×12124216² = 293993227229312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12124193 and 12124202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58186 + ... + 58393.

Almost surely, 2^12124216 is an apocalyptic number.

It is an amenable number.

12124216 is an abundant number, since it is smaller than the sum of its proper divisors (12357584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12124216 is a wasteful number, since it uses less digits than its factorization.

12124216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116598 (or 116594 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 12124216 is about 3481.9844916369. The cubic root of 12124216 is about 229.7300929634.

Adding to 12124216 its reverse (61242121), we get a palindrome (73366337).

The spelling of 12124216 in words is "twelve million, one hundred twenty-four thousand, two hundred sixteen".