12122356 has 12 divisors (see below), whose sum is σ = 21242592. Its totient is φ = 6053048.

The previous prime is 12122339. The next prime is 12122359. The reversal of 12122356 is 65322121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391 + ... + 5473.

It is an arithmetic number, because the mean of its divisors is an integer number (1770216).

Almost surely, 2^12122356 is an apocalyptic number.

It is an amenable number.

12122356 is a deficient number, since it is larger than the sum of its proper divisors (9120236).

12122356 is a wasteful number, since it uses less digits than its factorization.

12122356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070 (or 4068 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 12122356 is about 3481.7173923224. The cubic root of 12122356 is about 229.7183445797.

Adding to 12122356 its reverse (65322121), we get a palindrome (77444477).

The spelling of 12122356 in words is "twelve million, one hundred twenty-two thousand, three hundred fifty-six".