12612417133 has 2 divisors, whose sum is σ = 12612417134. Its totient is φ = 12612417132.

The previous prime is 12612417127. The next prime is 12612417163. The reversal of 12612417133 is 33171421621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8390926404 + 4221490729 = 91602^2 + 64973^2 .

It is a cyclic number.

It is not a de Polignac number, because 12612417133 - 2¹⁷ = 12612286061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12612417095 and 12612417104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12612417163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6306208566 + 6306208567.

It is an arithmetic number, because the mean of its divisors is an integer number (6306208567).

Almost surely, 2^12612417133 is an apocalyptic number.

It is an amenable number.

12612417133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12612417133 is an equidigital number, since it uses as much as digits as its factorization.

12612417133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

Adding to 12612417133 its reverse (33171421621), we get a palindrome (45783838754).

The spelling of 12612417133 in words is "twelve billion, six hundred twelve million, four hundred seventeen thousand, one hundred thirty-three".