12196718251 has 2 divisors, whose sum is σ = 12196718252. Its totient is φ = 12196718250.

The previous prime is 12196718207. The next prime is 12196718267. The reversal of 12196718251 is 15281769121.

It is a strong prime.

It is an emirp because it is prime and its reverse (15281769121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12196718251 - 2¹³ = 12196710059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12196718198 and 12196718207.

It is not a weakly prime, because it can be changed into another prime (12196718291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098359125 + 6098359126.

It is an arithmetic number, because the mean of its divisors is an integer number (6098359126).

Almost surely, 2^12196718251 is an apocalyptic number.

12196718251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12196718251 is an equidigital number, since it uses as much as digits as its factorization.

12196718251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 43.

The spelling of 12196718251 in words is "twelve billion, one hundred ninety-six million, seven hundred eighteen thousand, two hundred fifty-one".