12011222222022 has 16 divisors (see below), whose sum is σ = 24183668905200. Its totient is φ = 3976869997152.

The previous prime is 12011222222003. The next prime is 12011222222029. The reversal of 12011222222022 is 22022222211021.

It is a super-2 number, since 2×12011222222022² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12011222222022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011222222029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6717684913 + ... + 6717686700.

It is an arithmetic number, because the mean of its divisors is an integer number (1511479306575).

Almost surely, 2^{12011222222022} is an apocalyptic number.

12011222222022 is an abundant number, since it is smaller than the sum of its proper divisors (12172446683178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12011222222022 is a wasteful number, since it uses less digits than its factorization.

12011222222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13435371767.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12011222222022 its reverse (22022222211021), we get a palindrome (34033444433043).

The spelling of 12011222222022 in words is "twelve trillion, eleven billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty-two".