12222251233 has 2 divisors, whose sum is σ = 12222251234. Its totient is φ = 12222251232.

The previous prime is 12222251183. The next prime is 12222251257. The reversal of 12222251233 is 33215222221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10593967329 + 1628283904 = 102927^2 + 40352^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222251233 - 2⁹ = 12222250721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12222251198 and 12222251207.

It is not a weakly prime, because it can be changed into another prime (12222251333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111125616 + 6111125617.

It is an arithmetic number, because the mean of its divisors is an integer number (6111125617).

Almost surely, 2^12222251233 is an apocalyptic number.

It is an amenable number.

12222251233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222251233 is an equidigital number, since it uses as much as digits as its factorization.

12222251233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

Adding to 12222251233 its reverse (33215222221), we get a palindrome (45437473454).

The spelling of 12222251233 in words is "twelve billion, two hundred twenty-two million, two hundred fifty-one thousand, two hundred thirty-three".