12222312149 has 2 divisors, whose sum is σ = 12222312150. Its totient is φ = 12222312148.

The previous prime is 12222312103. The next prime is 12222312169. The reversal of 12222312149 is 94121322221.

It is a happy number.

12222312149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6987789649 + 5234522500 = 83593^2 + 72350^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222312149 - 2¹⁶ = 12222246613 is a prime.

It is a super-4 number, since 4×12222312149⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222312169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111156074 + 6111156075.

It is an arithmetic number, because the mean of its divisors is an integer number (6111156075).

Almost surely, 2^12222312149 is an apocalyptic number.

It is an amenable number.

12222312149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222312149 is an equidigital number, since it uses as much as digits as its factorization.

12222312149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The spelling of 12222312149 in words is "twelve billion, two hundred twenty-two million, three hundred twelve thousand, one hundred forty-nine".