12222203342 has 4 divisors (see below), whose sum is σ = 18333305016. Its totient is φ = 6111101670.

The previous prime is 12222203317. The next prime is 12222203393. The reversal of 12222203342 is 24330222221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24330222221 = 163 ⋅149265167.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055550834 + ... + 3055550837.

It is an arithmetic number, because the mean of its divisors is an integer number (4583326254).

Almost surely, 2^12222203342 is an apocalyptic number.

12222203342 is a deficient number, since it is larger than the sum of its proper divisors (6111101674).

12222203342 is an equidigital number, since it uses as much as digits as its factorization.

12222203342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111101673.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12222203342 its reverse (24330222221), we get a palindrome (36552425563).

The spelling of 12222203342 in words is "twelve billion, two hundred twenty-two million, two hundred three thousand, three hundred forty-two".