12003122 has 16 divisors (see below), whose sum is σ = 19426392. Its totient is φ = 5541120.

The previous prime is 12003109. The next prime is 12003127. The reversal of 12003122 is 22130021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11771761 + 231361 = 3431^2 + 481^2 .

It is not an unprimeable number, because it can be changed into a prime (12003127) 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 7 ways as a sum of consecutive naturals, for example, 1529 + ... + 5132.

Almost surely, 2^12003122 is an apocalyptic number.

12003122 is a deficient number, since it is larger than the sum of its proper divisors (7423270).

12003122 is a wasteful number, since it uses less digits than its factorization.

12003122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12003122 is about 3464.5522077175. The cubic root of 12003122 is about 228.9627012217.

Adding to 12003122 its reverse (22130021), we get a palindrome (34133143).

The spelling of 12003122 in words is "twelve million, three thousand, one hundred twenty-two".