12303122222 has 4 divisors (see below), whose sum is σ = 18454683336. Its totient is φ = 6151561110.

The previous prime is 12303122219. The next prime is 12303122239. The reversal of 12303122222 is 22222130321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22222130321 = 71 ⋅312987751.

It is a junction number, because it is equal to n+sod(n) for n = 12303122194 and 12303122203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3075780554 + ... + 3075780557.

It is an arithmetic number, because the mean of its divisors is an integer number (4613670834).

Almost surely, 2^12303122222 is an apocalyptic number.

12303122222 is a deficient number, since it is larger than the sum of its proper divisors (6151561114).

12303122222 is an equidigital number, since it uses as much as digits as its factorization.

12303122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151561113.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12303122222 its reverse (22222130321), we get a palindrome (34525252543).

The spelling of 12303122222 in words is "twelve billion, three hundred three million, one hundred twenty-two thousand, two hundred twenty-two".