12461101357 has 2 divisors, whose sum is σ = 12461101358. Its totient is φ = 12461101356.

The previous prime is 12461101343. The next prime is 12461101363. The reversal of 12461101357 is 75310116421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12079328836 + 381772521 = 109906^2 + 19539^2 .

It is an emirp because it is prime and its reverse (75310116421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12461101357 - 2³¹ = 10313617709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12461101327) 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, 6230550678 + 6230550679.

It is an arithmetic number, because the mean of its divisors is an integer number (6230550679).

Almost surely, 2^12461101357 is an apocalyptic number.

It is an amenable number.

12461101357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12461101357 is an equidigital number, since it uses as much as digits as its factorization.

12461101357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 12461101357 its reverse (75310116421), we get a palindrome (87771217778).

The spelling of 12461101357 in words is "twelve billion, four hundred sixty-one million, one hundred one thousand, three hundred fifty-seven".