12212233222 has 8 divisors (see below), whose sum is σ = 20935256976. Its totient is φ = 5233814232.

The previous prime is 12212233211. The next prime is 12212233277. The reversal of 12212233222 is 22233221221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12212233193 and 12212233202.

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 3 ways as a sum of consecutive naturals, for example, 436151173 + ... + 436151200.

It is an arithmetic number, because the mean of its divisors is an integer number (2616907122).

Almost surely, 2^12212233222 is an apocalyptic number.

12212233222 is a deficient number, since it is larger than the sum of its proper divisors (8723023754).

12212233222 is an equidigital number, since it uses as much as digits as its factorization.

12212233222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872302382.

The product of its digits is 1152, while the sum is 22.

Adding to 12212233222 its reverse (22233221221), we get a palindrome (34445454443).

The spelling of 12212233222 in words is "twelve billion, two hundred twelve million, two hundred thirty-three thousand, two hundred twenty-two".