12142243297 has 2 divisors, whose sum is σ = 12142243298. Its totient is φ = 12142243296.

The previous prime is 12142243291. The next prime is 12142243301. The reversal of 12142243297 is 79234224121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9396588096 + 2745655201 = 96936^2 + 52399^2 .

It is a cyclic number.

It is not a de Polignac number, because 12142243297 - 2¹¹ = 12142241249 is a prime.

It is not a weakly prime, because it can be changed into another prime (12142243291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071121648 + 6071121649.

It is an arithmetic number, because the mean of its divisors is an integer number (6071121649).

Almost surely, 2^12142243297 is an apocalyptic number.

It is an amenable number.

12142243297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12142243297 is an equidigital number, since it uses as much as digits as its factorization.

12142243297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The spelling of 12142243297 in words is "twelve billion, one hundred forty-two million, two hundred forty-three thousand, two hundred ninety-seven".