12122006 has 16 divisors (see below), whose sum is σ = 19692288. Its totient is φ = 5563200.

The previous prime is 12121987. The next prime is 12122009. The reversal of 12122006 is 60022121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3746 + ... + 6186.

It is an arithmetic number, because the mean of its divisors is an integer number (1230768).

Almost surely, 2^12122006 is an apocalyptic number.

12122006 is a deficient number, since it is larger than the sum of its proper divisors (7570282).

12122006 is a wasteful number, since it uses less digits than its factorization.

12122006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12122006 is about 3481.6671294080. The cubic root of 12122006 is about 229.7161337280.

Adding to 12122006 its reverse (60022121), we get a palindrome (72144127).

The spelling of 12122006 in words is "twelve million, one hundred twenty-two thousand, six".