12454251377 has 2 divisors, whose sum is σ = 12454251378. Its totient is φ = 12454251376.

The previous prime is 12454251371. The next prime is 12454251419. The reversal of 12454251377 is 77315245421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8903998321 + 3550253056 = 94361^2 + 59584^2 .

It is a cyclic number.

It is not a de Polignac number, because 12454251377 - 2²⁶ = 12387142513 is a prime.

It is a super-2 number, since 2×12454251377² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12454251371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227125688 + 6227125689.

It is an arithmetic number, because the mean of its divisors is an integer number (6227125689).

Almost surely, 2^12454251377 is an apocalyptic number.

It is an amenable number.

12454251377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12454251377 is an equidigital number, since it uses as much as digits as its factorization.

12454251377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 41.

Adding to 12454251377 its reverse (77315245421), we get a palindrome (89769496798).

The spelling of 12454251377 in words is "twelve billion, four hundred fifty-four million, two hundred fifty-one thousand, three hundred seventy-seven".