12220369243 has 2 divisors, whose sum is σ = 12220369244. Its totient is φ = 12220369242.

The previous prime is 12220369171. The next prime is 12220369283. The reversal of 12220369243 is 34296302221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220369243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12220369199 and 12220369208.

It is not a weakly prime, because it can be changed into another prime (12220369283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110184621 + 6110184622.

It is an arithmetic number, because the mean of its divisors is an integer number (6110184622).

Almost surely, 2^12220369243 is an apocalyptic number.

12220369243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220369243 is an equidigital number, since it uses as much as digits as its factorization.

12220369243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 12220369243 in words is "twelve billion, two hundred twenty million, three hundred sixty-nine thousand, two hundred forty-three".