12020222 has 4 divisors (see below), whose sum is σ = 18030336. Its totient is φ = 6010110.

The previous prime is 12020221. The next prime is 12020231. The reversal of 12020222 is 22202021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005054 + ... + 3005057.

It is an arithmetic number, because the mean of its divisors is an integer number (4507584).

Almost surely, 2^12020222 is an apocalyptic number.

12020222 is a deficient number, since it is larger than the sum of its proper divisors (6010114).

12020222 is an equidigital number, since it uses as much as digits as its factorization.

12020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010113.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 12020222 is about 3467.0191807949. The cubic root of 12020222 is about 229.0713786251.

Adding to 12020222 its reverse (22202021), we get a palindrome (34222243).

The spelling of 12020222 in words is "twelve million, twenty thousand, two hundred twenty-two".