12099248617 has 2 divisors, whose sum is σ = 12099248618. Its totient is φ = 12099248616.

The previous prime is 12099248573. The next prime is 12099248657. The reversal of 12099248617 is 71684299021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11064725721 + 1034522896 = 105189^2 + 32164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12099248617 is a prime.

It is a super-3 number, since 3×12099248617³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12099248657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6049624308 + 6049624309.

It is an arithmetic number, because the mean of its divisors is an integer number (6049624309).

Almost surely, 2^12099248617 is an apocalyptic number.

It is an amenable number.

12099248617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12099248617 is an equidigital number, since it uses as much as digits as its factorization.

12099248617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 12099248617 in words is "twelve billion, ninety-nine million, two hundred forty-eight thousand, six hundred seventeen".