12222112237 has 2 divisors, whose sum is σ = 12222112238. Its totient is φ = 12222112236.

The previous prime is 12222112219. The next prime is 12222112241. The reversal of 12222112237 is 73221122221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10989119241 + 1232992996 = 104829^2 + 35114^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222112237 - 2²³ = 12213723629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222112337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111056118 + 6111056119.

It is an arithmetic number, because the mean of its divisors is an integer number (6111056119).

Almost surely, 2^12222112237 is an apocalyptic number.

It is an amenable number.

12222112237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222112237 is an equidigital number, since it uses as much as digits as its factorization.

12222112237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 25.

Adding to 12222112237 its reverse (73221122221), we get a palindrome (85443234458).

The spelling of 12222112237 in words is "twelve billion, two hundred twenty-two million, one hundred twelve thousand, two hundred thirty-seven".