12011222211022 has 16 divisors (see below), whose sum is σ = 18195186147840. Its totient is φ = 5946182162712.

The previous prime is 12011222210987. The next prime is 12011222211029. The reversal of 12011222211022 is 22011222211021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011222211029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4405122 + ... + 6589957.

It is an arithmetic number, because the mean of its divisors is an integer number (1137199134240).

Almost surely, 2^{12011222211022} is an apocalyptic number.

12011222211022 is a deficient number, since it is larger than the sum of its proper divisors (6183963936818).

12011222211022 is a wasteful number, since it uses less digits than its factorization.

12011222211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000487.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12011222211022 its reverse (22011222211021), we get a palindrome (34022444422043).

Subtracting 12011222211022 from its reverse (22011222211021), we obtain a palindrome (9999999999999).

The spelling of 12011222211022 in words is "twelve trillion, eleven billion, two hundred twenty-two million, two hundred eleven thousand, twenty-two".