12254121469 has 2 divisors, whose sum is σ = 12254121470. Its totient is φ = 12254121468.

The previous prime is 12254121431. The next prime is 12254121487. The reversal of 12254121469 is 96412145221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12083505625 + 170615844 = 109925^2 + 13062^2 .

It is a cyclic number.

It is not a de Polignac number, because 12254121469 - 2¹¹ = 12254119421 is a prime.

It is a super-2 number, since 2×12254121469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12254121499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127060734 + 6127060735.

It is an arithmetic number, because the mean of its divisors is an integer number (6127060735).

Almost surely, 2^12254121469 is an apocalyptic number.

It is an amenable number.

12254121469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12254121469 is an equidigital number, since it uses as much as digits as its factorization.

12254121469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The spelling of 12254121469 in words is "twelve billion, two hundred fifty-four million, one hundred twenty-one thousand, four hundred sixty-nine".