12204243349 has 2 divisors, whose sum is σ = 12204243350. Its totient is φ = 12204243348.

The previous prime is 12204243329. The next prime is 12204243361. The reversal of 12204243349 is 94334240221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11762487025 + 441756324 = 108455^2 + 21018^2 .

It is a cyclic number.

It is not a de Polignac number, because 12204243349 - 2¹³ = 12204235157 is a prime.

It is a super-2 number, since 2×12204243349² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12204243329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102121674 + 6102121675.

It is an arithmetic number, because the mean of its divisors is an integer number (6102121675).

Almost surely, 2^12204243349 is an apocalyptic number.

It is an amenable number.

12204243349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12204243349 is an equidigital number, since it uses as much as digits as its factorization.

12204243349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 12204243349 in words is "twelve billion, two hundred four million, two hundred forty-three thousand, three hundred forty-nine".