12428053081 has 2 divisors, whose sum is σ = 12428053082. Its totient is φ = 12428053080.

The previous prime is 12428053073. The next prime is 12428053091. The reversal of 12428053081 is 18035082421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9564840000 + 2863213081 = 97800^2 + 53509^2 .

It is a cyclic number.

It is not a de Polignac number, because 12428053081 - 2³ = 12428053073 is a prime.

It is a super-2 number, since 2×12428053081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12428053091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6214026540 + 6214026541.

It is an arithmetic number, because the mean of its divisors is an integer number (6214026541).

Almost surely, 2^12428053081 is an apocalyptic number.

It is an amenable number.

12428053081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12428053081 is an equidigital number, since it uses as much as digits as its factorization.

12428053081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 12428053081 in words is "twelve billion, four hundred twenty-eight million, fifty-three thousand, eighty-one".