212222332313 has 2 divisors, whose sum is σ = 212222332314. Its totient is φ = 212222332312.

The previous prime is 212222332277. The next prime is 212222332339. The reversal of 212222332313 is 313233222212.

It is an a-pointer prime, because the next prime (212222332339) can be obtained adding 212222332313 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161079414409 + 51142917904 = 401347^2 + 226148^2 .

It is a cyclic number.

It is not a de Polignac number, because 212222332313 - 2⁶ = 212222332249 is a prime.

It is not a weakly prime, because it can be changed into another prime (212222322313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106111166156 + 106111166157.

It is an arithmetic number, because the mean of its divisors is an integer number (106111166157).

Almost surely, 2^212222332313 is an apocalyptic number.

It is an amenable number.

212222332313 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222332313 is an equidigital number, since it uses as much as digits as its factorization.

212222332313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 26.

Adding to 212222332313 its reverse (313233222212), we get a palindrome (525455554525).

The spelling of 212222332313 in words is "two hundred twelve billion, two hundred twenty-two million, three hundred thirty-two thousand, three hundred thirteen".