12221300233 has 2 divisors, whose sum is σ = 12221300234. Its totient is φ = 12221300232.

The previous prime is 12221300123. The next prime is 12221300243. The reversal of 12221300233 is 33200312221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6752401929 + 5468898304 = 82173^2 + 73952^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221300233 - 2²¹ = 12219203081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12221300233.

It is not a weakly prime, because it can be changed into another prime (12221300243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110650116 + 6110650117.

It is an arithmetic number, because the mean of its divisors is an integer number (6110650117).

Almost surely, 2^12221300233 is an apocalyptic number.

It is an amenable number.

12221300233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221300233 is an equidigital number, since it uses as much as digits as its factorization.

12221300233 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 12221300233 its reverse (33200312221), we get a palindrome (45421612454).

The spelling of 12221300233 in words is "twelve billion, two hundred twenty-one million, three hundred thousand, two hundred thirty-three".