12012220122022 has 4 divisors (see below), whose sum is σ = 18018330183036. Its totient is φ = 6006110061010.

The previous prime is 12012220122017. The next prime is 12012220122059. The reversal of 12012220122022 is 22022102221021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3003055030504 + ... + 3003055030507.

It is an arithmetic number, because the mean of its divisors is an integer number (4504582545759).

Almost surely, 2^{12012220122022} is an apocalyptic number.

12012220122022 is a deficient number, since it is larger than the sum of its proper divisors (6006110061014).

12012220122022 is an equidigital number, since it uses as much as digits as its factorization.

12012220122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006110061013.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12012220122022 its reverse (22022102221021), we get a palindrome (34034322343043).

The spelling of 12012220122022 in words is "twelve trillion, twelve billion, two hundred twenty million, one hundred twenty-two thousand, twenty-two".