12143511371 has 2 divisors, whose sum is σ = 12143511372. Its totient is φ = 12143511370.

The previous prime is 12143511337. The next prime is 12143511389. The reversal of 12143511371 is 17311534121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12143511371 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12143511271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071755685 + 6071755686.

It is an arithmetic number, because the mean of its divisors is an integer number (6071755686).

Almost surely, 2^12143511371 is an apocalyptic number.

12143511371 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143511371 is an equidigital number, since it uses as much as digits as its factorization.

12143511371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The spelling of 12143511371 in words is "twelve billion, one hundred forty-three million, five hundred eleven thousand, three hundred seventy-one".