12123622 has 24 divisors (see below), whose sum is σ = 21739536. Its totient is φ = 4966896.

The previous prime is 12123607. The next prime is 12123637. The reversal of 12123622 is 22632121.

It is an interprime number because it is at equal distance from previous prime (12123607) and next prime (12123637).

It is a self number, because there is not a number n which added to its sum of digits gives 12123622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6588 + ... + 8224.

It is an arithmetic number, because the mean of its divisors is an integer number (905814).

Almost surely, 2^12123622 is an apocalyptic number.

12123622 is a deficient number, since it is larger than the sum of its proper divisors (9615914).

12123622 is a wasteful number, since it uses less digits than its factorization.

12123622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 1669 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 12123622 is about 3481.8991944053. The cubic root of 12123622 is about 229.7263411908.

Adding to 12123622 its reverse (22632121), we get a palindrome (34755743).

The spelling of 12123622 in words is "twelve million, one hundred twenty-three thousand, six hundred twenty-two".