1223220213133 has 2 divisors, whose sum is σ = 1223220213134. Its totient is φ = 1223220213132.

The previous prime is 1223220213113. The next prime is 1223220213151. The reversal of 1223220213133 is 3313120223221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1186265148964 + 36955064169 = 1089158^2 + 192237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223220213133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223220213098 and 1223220213107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223220213113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611610106566 + 611610106567.

It is an arithmetic number, because the mean of its divisors is an integer number (611610106567).

Almost surely, 2^{1223220213133} is an apocalyptic number.

It is an amenable number.

1223220213133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223220213133 is an equidigital number, since it uses as much as digits as its factorization.

1223220213133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1223220213133 its reverse (3313120223221), we get a palindrome (4536340436354).

The spelling of 1223220213133 in words is "one trillion, two hundred twenty-three billion, two hundred twenty million, two hundred thirteen thousand, one hundred thirty-three".