12212311049 has 2 divisors, whose sum is σ = 12212311050. Its totient is φ = 12212311048.

The previous prime is 12212310997. The next prime is 12212311099. The reversal of 12212311049 is 94011321221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10718875024 + 1493436025 = 103532^2 + 38645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212311049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12212311099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106155524 + 6106155525.

It is an arithmetic number, because the mean of its divisors is an integer number (6106155525).

Almost surely, 2^12212311049 is an apocalyptic number.

It is an amenable number.

12212311049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212311049 is an equidigital number, since it uses as much as digits as its factorization.

12212311049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 12212311049 in words is "twelve billion, two hundred twelve million, three hundred eleven thousand, forty-nine".