12220310233 has 2 divisors, whose sum is σ = 12220310234. Its totient is φ = 12220310232.

The previous prime is 12220310177. The next prime is 12220310279. The reversal of 12220310233 is 33201302221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6559704064 + 5660606169 = 80992^2 + 75237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220310233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12220310233.

It is not a weakly prime, because it can be changed into another prime (12220310633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110155116 + 6110155117.

It is an arithmetic number, because the mean of its divisors is an integer number (6110155117).

Almost surely, 2^12220310233 is an apocalyptic number.

It is an amenable number.

12220310233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220310233 is an equidigital number, since it uses as much as digits as its factorization.

12220310233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12220310233 its reverse (33201302221), we get a palindrome (45421612454).

The spelling of 12220310233 in words is "twelve billion, two hundred twenty million, three hundred ten thousand, two hundred thirty-three".