12213042441222 has 64 divisors (see below), whose sum is σ = 28085198883840. Its totient is φ = 3468235280256.

The previous prime is 12213042441211. The next prime is 12213042441239. The reversal of 12213042441222 is 22214424031221.

It is a self number, because there is not a number n which added to its sum of digits gives 12213042441222.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 84860628 + ... + 85004424.

It is an arithmetic number, because the mean of its divisors is an integer number (438831232560).

Almost surely, 2^{12213042441222} is an apocalyptic number.

12213042441222 is an abundant number, since it is smaller than the sum of its proper divisors (15872156442618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12213042441222 is a wasteful number, since it uses less digits than its factorization.

12213042441222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156085.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 12213042441222 its reverse (22214424031221), we get a palindrome (34427466472443).

The spelling of 12213042441222 in words is "twelve trillion, two hundred thirteen billion, forty-two million, four hundred forty-one thousand, two hundred twenty-two".