12212211322213 has 16 divisors (see below), whose sum is σ = 14691713680000. Its totient is φ = 9916459022592.

The previous prime is 12212211322153. The next prime is 12212211322231. The reversal of 12212211322213 is 31222311221221.

It is a cyclic number.

It is not a de Polignac number, because 12212211322213 - 2²⁵ = 12212177767781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212211322243) 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 15 ways as a sum of consecutive naturals, for example, 5009713 + ... + 7037161.

It is an arithmetic number, because the mean of its divisors is an integer number (918232105000).

Almost surely, 2^{12212211322213} is an apocalyptic number.

It is an amenable number.

12212211322213 is a deficient number, since it is larger than the sum of its proper divisors (2479502357787).

12212211322213 is a wasteful number, since it uses less digits than its factorization.

12212211322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072764.

The product of its digits is 1152, while the sum is 25.

Adding to 12212211322213 its reverse (31222311221221), we get a palindrome (43434522543434).

The spelling of 12212211322213 in words is "twelve trillion, two hundred twelve billion, two hundred eleven million, three hundred twenty-two thousand, two hundred thirteen".