12254225281 has 2 divisors, whose sum is σ = 12254225282. Its totient is φ = 12254225280.

The previous prime is 12254225273. The next prime is 12254225287. The reversal of 12254225281 is 18252245221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11645863056 + 608362225 = 107916^2 + 24665^2 .

It is a cyclic number.

It is not a de Polignac number, because 12254225281 - 2³ = 12254225273 is a prime.

It is a super-2 number, since 2×12254225281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12254225287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127112640 + 6127112641.

It is an arithmetic number, because the mean of its divisors is an integer number (6127112641).

Almost surely, 2^12254225281 is an apocalyptic number.

It is an amenable number.

12254225281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12254225281 is an equidigital number, since it uses as much as digits as its factorization.

12254225281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25600, while the sum is 34.

The spelling of 12254225281 in words is "twelve billion, two hundred fifty-four million, two hundred twenty-five thousand, two hundred eighty-one".