12212102201222 has 16 divisors (see below), whose sum is σ = 22838217103872. Its totient is φ = 4757961896520.

The previous prime is 12212102201171. The next prime is 12212102201237. The reversal of 12212102201222 is 22210220121221.

It is a junction number, because it is equal to n+sod(n) for n = 12212102201194 and 12212102201203.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 39649682318 + ... + 39649682625.

It is an arithmetic number, because the mean of its divisors is an integer number (1427388568992).

Almost surely, 2^{12212102201222} is an apocalyptic number.

12212102201222 is a deficient number, since it is larger than the sum of its proper divisors (10626114902650).

12212102201222 is a wasteful number, since it uses less digits than its factorization.

12212102201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79299364963.

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

Adding to 12212102201222 its reverse (22210220121221), we get a palindrome (34422322322443).

The spelling of 12212102201222 in words is "twelve trillion, two hundred twelve billion, one hundred two million, two hundred one thousand, two hundred twenty-two".