12320421323222 has 32 divisors (see below), whose sum is σ = 20299503571200. Its totient is φ = 5582137305888.

The previous prime is 12320421323191. The next prime is 12320421323239. The reversal of 12320421323222 is 22232312402321.

It is a super-2 number, since 2×12320421323222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55359104 + ... + 55581212.

It is an arithmetic number, because the mean of its divisors is an integer number (634359486600).

Almost surely, 2^{12320421323222} is an apocalyptic number.

12320421323222 is a deficient number, since it is larger than the sum of its proper divisors (7979082247978).

12320421323222 is a wasteful number, since it uses less digits than its factorization.

12320421323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285620.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 12320421323222 its reverse (22232312402321), we get a palindrome (34552733725543).

The spelling of 12320421323222 in words is "twelve trillion, three hundred twenty billion, four hundred twenty-one million, three hundred twenty-three thousand, two hundred twenty-two".