12430813481 has 2 divisors, whose sum is σ = 12430813482. Its totient is φ = 12430813480.

The previous prime is 12430813459. The next prime is 12430813513. The reversal of 12430813481 is 18431803421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9841632025 + 2589181456 = 99205^2 + 50884^2 .

It is a cyclic number.

It is not a de Polignac number, because 12430813481 - 2³⁰ = 11357071657 is a prime.

It is a super-2 number, since 2×12430813481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12430810481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215406740 + 6215406741.

It is an arithmetic number, because the mean of its divisors is an integer number (6215406741).

Almost surely, 2^12430813481 is an apocalyptic number.

It is an amenable number.

12430813481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12430813481 is an equidigital number, since it uses as much as digits as its factorization.

12430813481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 12430813481 in words is "twelve billion, four hundred thirty million, eight hundred thirteen thousand, four hundred eighty-one".