1223122112413 has 2 divisors, whose sum is σ = 1223122112414. Its totient is φ = 1223122112412.

The previous prime is 1223122112383. The next prime is 1223122112441. The reversal of 1223122112413 is 3142112213221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1129805303929 + 93316808484 = 1062923^2 + 305478^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223122112413 - 2⁹ = 1223122111901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223122112473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611561056206 + 611561056207.

It is an arithmetic number, because the mean of its divisors is an integer number (611561056207).

Almost surely, 2^{1223122112413} is an apocalyptic number.

It is an amenable number.

1223122112413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223122112413 is an equidigital number, since it uses as much as digits as its factorization.

1223122112413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

Adding to 1223122112413 its reverse (3142112213221), we get a palindrome (4365234325634).

The spelling of 1223122112413 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-two million, one hundred twelve thousand, four hundred thirteen".