12022005 has 16 divisors (see below), whose sum is σ = 19500480. Its totient is φ = 6323328.

The previous prime is 12021991. The next prime is 12022007. The reversal of 12022005 is 50022021.

It is not a de Polignac number, because 12022005 - 2⁵ = 12021973 is a prime.

It is a super-4 number, since 4×12022005⁴ (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4395 + ... + 6584.

It is an arithmetic number, because the mean of its divisors is an integer number (1218780).

Almost surely, 2^12022005 is an apocalyptic number.

12022005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12022005 is a deficient number, since it is larger than the sum of its proper divisors (7478475).

12022005 is a wasteful number, since it uses less digits than its factorization.

12022005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11060.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 12022005 is about 3467.2763085742. The cubic root of 12022005 is about 229.0827043747.

Adding to 12022005 its reverse (50022021), we get a palindrome (62044026).

The spelling of 12022005 in words is "twelve million, twenty-two thousand, five".