12417316546 has 4 divisors (see below), whose sum is σ = 18625974822. Its totient is φ = 6208658272.

The previous prime is 12417316543. The next prime is 12417316559. The reversal of 12417316546 is 64561371421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11971642225 + 445674321 = 109415^2 + 21111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12417316499 and 12417316508.

It is not an unprimeable number, because it can be changed into a prime (12417316543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3104329135 + ... + 3104329138.

Almost surely, 2^12417316546 is an apocalyptic number.

12417316546 is a deficient number, since it is larger than the sum of its proper divisors (6208658276).

12417316546 is an equidigital number, since it uses as much as digits as its factorization.

12417316546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208658275.

The product of its digits is 120960, while the sum is 40.

Adding to 12417316546 its reverse (64561371421), we get a palindrome (76978687967).

The spelling of 12417316546 in words is "twelve billion, four hundred seventeen million, three hundred sixteen thousand, five hundred forty-six".