12212222293 has 2 divisors, whose sum is σ = 12212222294. Its totient is φ = 12212222292.

The previous prime is 12212222291. The next prime is 12212222311. The reversal of 12212222293 is 39222221221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12125973924 + 86248369 = 110118^2 + 9287^2 .

It is a cyclic number.

It is not a de Polignac number, because 12212222293 - 2¹ = 12212222291 is a prime.

Together with 12212222291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212222291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106111146 + 6106111147.

It is an arithmetic number, because the mean of its divisors is an integer number (6106111147).

Almost surely, 2^12212222293 is an apocalyptic number.

It is an amenable number.

12212222293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212222293 is an equidigital number, since it uses as much as digits as its factorization.

12212222293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The spelling of 12212222293 in words is "twelve billion, two hundred twelve million, two hundred twenty-two thousand, two hundred ninety-three".