12022012022122 has 4 divisors (see below), whose sum is σ = 18033018033186. Its totient is φ = 6011006011060.

The previous prime is 12022012022087. The next prime is 12022012022143. The reversal of 12022012022122 is 22122021022021.

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

It can be written as a sum of positive squares in only one way, i.e., 10963045480401 + 1058966541721 = 3311049^2 + 1029061^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12022012022122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005503005529 + ... + 3005503005532.

Almost surely, 2^{12022012022122} is an apocalyptic number.

12022012022122 is a deficient number, since it is larger than the sum of its proper divisors (6011006011064).

12022012022122 is an equidigital number, since it uses as much as digits as its factorization.

12022012022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011006011063.

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

Adding to 12022012022122 its reverse (22122021022021), we get a palindrome (34144033044143).

The spelling of 12022012022122 in words is "twelve trillion, twenty-two billion, twelve million, twenty-two thousand, one hundred twenty-two".