1223412022213 has 2 divisors, whose sum is σ = 1223412022214. Its totient is φ = 1223412022212.

The previous prime is 1223412022187. The next prime is 1223412022249. The reversal of 1223412022213 is 3122202143221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1184479602244 + 38932419969 = 1088338^2 + 197313^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223412022213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223412122213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611706011106 + 611706011107.

It is an arithmetic number, because the mean of its divisors is an integer number (611706011107).

Almost surely, 2^{1223412022213} is an apocalyptic number.

It is an amenable number.

1223412022213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223412022213 is an equidigital number, since it uses as much as digits as its factorization.

1223412022213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1223412022213 its reverse (3122202143221), we get a palindrome (4345614165434).

The spelling of 1223412022213 in words is "one trillion, two hundred twenty-three billion, four hundred twelve million, twenty-two thousand, two hundred thirteen".