12122416 has 10 divisors (see below), whose sum is σ = 23487212. Its totient is φ = 6061200.

The previous prime is 12122401. The next prime is 12122419. The reversal of 12122416 is 61422121.

12122416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12122393 and 12122402.

It is not an unprimeable number, because it can be changed into a prime (12122419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378810 + ... + 378841.

Almost surely, 2^12122416 is an apocalyptic number.

12122416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12122416 is a deficient number, since it is larger than the sum of its proper divisors (11364796).

12122416 is an equidigital number, since it uses as much as digits as its factorization.

12122416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757659 (or 757653 counting only the distinct ones).

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

The square root of 12122416 is about 3481.7260087491. The cubic root of 12122416 is about 229.7187235786.

Adding to 12122416 its reverse (61422121), we get a palindrome (73544537).

The spelling of 12122416 in words is "twelve million, one hundred twenty-two thousand, four hundred sixteen".