12213455431222 has 8 divisors (see below), whose sum is σ = 18321874637472. Its totient is φ = 6106163885400.

The previous prime is 12213455431183. The next prime is 12213455431223. The reversal of 12213455431222 is 22213455431221.

12213455431222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213455431223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281888029 + ... + 281931352.

It is an arithmetic number, because the mean of its divisors is an integer number (2290234329684).

Almost surely, 2^{12213455431222} is an apocalyptic number.

12213455431222 is a deficient number, since it is larger than the sum of its proper divisors (6108419206250).

12213455431222 is a wasteful number, since it uses less digits than its factorization.

12213455431222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563830214.

The product of its digits is 115200, while the sum is 37.

Subtracting 12213455431222 from its reverse (22213455431221), we obtain a palindrome (9999999999999).

The spelling of 12213455431222 in words is "twelve trillion, two hundred thirteen billion, four hundred fifty-five million, four hundred thirty-one thousand, two hundred twenty-two".