12021022 has 32 divisors (see below), whose sum is σ = 20412000. Its totient is φ = 5271168.

The previous prime is 12021017. The next prime is 12021029. The reversal of 12021022 is 22012021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021029) 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, 80604 + ... + 80752.

It is an arithmetic number, because the mean of its divisors is an integer number (637875).

Almost surely, 2^12021022 is an apocalyptic number.

12021022 is a deficient number, since it is larger than the sum of its proper divisors (8390978).

12021022 is a wasteful number, since it uses less digits than its factorization.

12021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 12021022 is about 3467.1345517588. The cubic root of 12021022 is about 229.0764604236.

Adding to 12021022 its reverse (22012021), we get a palindrome (34033043).

Subtracting 12021022 from its reverse (22012021), we obtain a palindrome (9990999).

The spelling of 12021022 in words is "twelve million, twenty-one thousand, twenty-two".