12213320323249 has 2 divisors, whose sum is σ = 12213320323250. Its totient is φ = 12213320323248.

The previous prime is 12213320323223. The next prime is 12213320323273. The reversal of 12213320323249 is 94232302331221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11127775132224 + 1085545191025 = 3335832^2 + 1041895^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213320323249 - 2¹³ = 12213320315057 is a prime.

It is not a weakly prime, because it can be changed into another prime (12213320323289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106660161624 + 6106660161625.

It is an arithmetic number, because the mean of its divisors is an integer number (6106660161625).

Almost surely, 2^{12213320323249} is an apocalyptic number.

It is an amenable number.

12213320323249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213320323249 is an equidigital number, since it uses as much as digits as its factorization.

12213320323249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 12213320323249 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty million, three hundred twenty-three thousand, two hundred forty-nine".