12246163121 has 2 divisors, whose sum is σ = 12246163122. Its totient is φ = 12246163120.

The previous prime is 12246163109. The next prime is 12246163177. The reversal of 12246163121 is 12136164221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6812851600 + 5433311521 = 82540^2 + 73711^2 .

It is a cyclic number.

It is not a de Polignac number, because 12246163121 - 2²⁶ = 12179054257 is a prime.

It is a super-2 number, since 2×12246163121² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12246163021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6123081560 + 6123081561.

It is an arithmetic number, because the mean of its divisors is an integer number (6123081561).

Almost surely, 2^12246163121 is an apocalyptic number.

It is an amenable number.

12246163121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12246163121 is an equidigital number, since it uses as much as digits as its factorization.

12246163121 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 12246163121 in words is "twelve billion, two hundred forty-six million, one hundred sixty-three thousand, one hundred twenty-one".