212222442323 has 2 divisors, whose sum is σ = 212222442324. Its totient is φ = 212222442322.

The previous prime is 212222442319. The next prime is 212222442349. The reversal of 212222442323 is 323244222212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212222442323 - 2² = 212222442319 is a prime.

It is not a weakly prime, because it can be changed into another prime (212225442323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106111221161 + 106111221162.

It is an arithmetic number, because the mean of its divisors is an integer number (106111221162).

Almost surely, 2^212222442323 is an apocalyptic number.

212222442323 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222442323 is an equidigital number, since it uses as much as digits as its factorization.

212222442323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 29.

Adding to 212222442323 its reverse (323244222212), we get a palindrome (535466664535).

The spelling of 212222442323 in words is "two hundred twelve billion, two hundred twenty-two million, four hundred forty-two thousand, three hundred twenty-three".