12122262 has 12 divisors (see below), whose sum is σ = 26264940. Its totient is φ = 4040748.

The previous prime is 12122249. The next prime is 12122263. The reversal of 12122262 is 26222121.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 673459 = 12122262 / (1 + 2 + 1 + 2 + 2 + 2 + 6 + 2).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336712 + ... + 336747.

It is an arithmetic number, because the mean of its divisors is an integer number (2188745).

Almost surely, 2^12122262 is an apocalyptic number.

12122262 is an abundant number, since it is smaller than the sum of its proper divisors (14142678).

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

12122262 is a wasteful number, since it uses less digits than its factorization.

12122262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673467 (or 673464 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 12122262 is about 3481.7038932109. The cubic root of 12122262 is about 229.7177508123.

Adding to 12122262 its reverse (26222121), we get a palindrome (38344383).

The spelling of 12122262 in words is "twelve million, one hundred twenty-two thousand, two hundred sixty-two".