12461463401 has 2 divisors, whose sum is σ = 12461463402. Its totient is φ = 12461463400.

The previous prime is 12461463373. The next prime is 12461463409. The reversal of 12461463401 is 10436416421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7059360400 + 5402103001 = 84020^2 + 73499^2 .

It is an emirp because it is prime and its reverse (10436416421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12461463401 - 2¹⁴ = 12461447017 is a prime.

It is not a weakly prime, because it can be changed into another prime (12461463409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6230731700 + 6230731701.

It is an arithmetic number, because the mean of its divisors is an integer number (6230731701).

Almost surely, 2^12461463401 is an apocalyptic number.

It is an amenable number.

12461463401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12461463401 is an equidigital number, since it uses as much as digits as its factorization.

12461463401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 12461463401 its reverse (10436416421), we get a palindrome (22897879822).

The spelling of 12461463401 in words is "twelve billion, four hundred sixty-one million, four hundred sixty-three thousand, four hundred one".