12212210122202 has 32 divisors (see below), whose sum is σ = 19438664504400. Its totient is φ = 5734252412928.

The previous prime is 12212210122171. The next prime is 12212210122289. The reversal of 12212210122202 is 20222101221221.

It can be written as a sum of positive squares in 8 ways, for example, as 7162801148281 + 5049408973921 = 2676341^2 + 2247089^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32874074 + ... + 33243482.

Almost surely, 2^{12212210122202} is an apocalyptic number.

12212210122202 is a deficient number, since it is larger than the sum of its proper divisors (7226454382198).

12212210122202 is a wasteful number, since it uses less digits than its factorization.

12212210122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371570.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12212210122202 its reverse (20222101221221), we get a palindrome (32434311343423).

The spelling of 12212210122202 in words is "twelve trillion, two hundred twelve billion, two hundred ten million, one hundred twenty-two thousand, two hundred two".