12202011221122 has 16 divisors (see below), whose sum is σ = 18320627313720. Its totient is φ = 6095136116608.

The previous prime is 12202011221033. The next prime is 12202011221123. The reversal of 12202011221122 is 22112211020221.

It can be written as a sum of positive squares in 4 ways, for example, as 3441956273001 + 8760054948121 = 1855251^2 + 2959739^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12202011221122.

It is not an unprimeable number, because it can be changed into a prime (12202011221123) 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, 38606598 + ... + 38921374.

Almost surely, 2^{12202011221122} is an apocalyptic number.

12202011221122 is a deficient number, since it is larger than the sum of its proper divisors (6118616092598).

12202011221122 is a wasteful number, since it uses less digits than its factorization.

12202011221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333365.

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

Adding to 12202011221122 its reverse (22112211020221), we get a palindrome (34314222241343).

The spelling of 12202011221122 in words is "twelve trillion, two hundred two billion, eleven million, two hundred twenty-one thousand, one hundred twenty-two".