10212222193 has 2 divisors, whose sum is σ = 10212222194. Its totient is φ = 10212222192.

The previous prime is 10212222191. The next prime is 10212222217. The reversal of 10212222193 is 39122221201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9435596769 + 776625424 = 97137^2 + 27868^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212222193 - 2¹ = 10212222191 is a prime.

Together with 10212222191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10212222191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106111096 + 5106111097.

It is an arithmetic number, because the mean of its divisors is an integer number (5106111097).

Almost surely, 2^10212222193 is an apocalyptic number.

It is an amenable number.

10212222193 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212222193 is an equidigital number, since it uses as much as digits as its factorization.

10212222193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 10212222193 its reverse (39122221201), we get a palindrome (49334443394).

The spelling of 10212222193 in words is "ten billion, two hundred twelve million, two hundred twenty-two thousand, one hundred ninety-three".