12123022969 has 2 divisors, whose sum is σ = 12123022970. Its totient is φ = 12123022968.

The previous prime is 12123022937. The next prime is 12123022991. The reversal of 12123022969 is 96922032121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8688476944 + 3434546025 = 93212^2 + 58605^2 .

It is a cyclic number.

It is not a de Polignac number, because 12123022969 - 2⁵ = 12123022937 is a prime.

It is a super-2 number, since 2×12123022969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12123022369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061511484 + 6061511485.

It is an arithmetic number, because the mean of its divisors is an integer number (6061511485).

Almost surely, 2^12123022969 is an apocalyptic number.

It is an amenable number.

12123022969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12123022969 is an equidigital number, since it uses as much as digits as its factorization.

12123022969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 12123022969 in words is "twelve billion, one hundred twenty-three million, twenty-two thousand, nine hundred sixty-nine".