12196489157 has 2 divisors, whose sum is σ = 12196489158. Its totient is φ = 12196489156.

The previous prime is 12196489111. The next prime is 12196489171. The reversal of 12196489157 is 75198469121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7550567236 + 4645921921 = 86894^2 + 68161^2 .

It is an emirp because it is prime and its reverse (75198469121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12196489157 - 2¹⁴ = 12196472773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12196489099 and 12196489108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12196489057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098244578 + 6098244579.

It is an arithmetic number, because the mean of its divisors is an integer number (6098244579).

Almost surely, 2^12196489157 is an apocalyptic number.

It is an amenable number.

12196489157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12196489157 is an equidigital number, since it uses as much as digits as its factorization.

12196489157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 53.

The spelling of 12196489157 in words is "twelve billion, one hundred ninety-six million, four hundred eighty-nine thousand, one hundred fifty-seven".