12213144409 has 2 divisors, whose sum is σ = 12213144410. Its totient is φ = 12213144408.

The previous prime is 12213144397. The next prime is 12213144421. The reversal of 12213144409 is 90444131221.

It is a balanced prime because it is at equal distance from previous prime (12213144397) and next prime (12213144421).

It can be written as a sum of positive squares in only one way, i.e., 11664648009 + 548496400 = 108003^2 + 23420^2 .

It is a cyclic number.

It is not a de Polignac number, because 12213144409 - 2¹⁵ = 12213111641 is a prime.

It is not a weakly prime, because it can be changed into another prime (12213144109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106572204 + 6106572205.

It is an arithmetic number, because the mean of its divisors is an integer number (6106572205).

Almost surely, 2^12213144409 is an apocalyptic number.

It is an amenable number.

12213144409 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213144409 is an equidigital number, since it uses as much as digits as its factorization.

12213144409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 12213144409 in words is "twelve billion, two hundred thirteen million, one hundred forty-four thousand, four hundred nine".