12142141091 has 2 divisors, whose sum is σ = 12142141092. Its totient is φ = 12142141090.

The previous prime is 12142141003. The next prime is 12142141093. The reversal of 12142141091 is 19014124121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12142141091 is a prime.

Together with 12142141093, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12142141091.

It is not a weakly prime, because it can be changed into another prime (12142141093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071070545 + 6071070546.

It is an arithmetic number, because the mean of its divisors is an integer number (6071070546).

Almost surely, 2^12142141091 is an apocalyptic number.

12142141091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12142141091 is an equidigital number, since it uses as much as digits as its factorization.

12142141091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 12142141091 in words is "twelve billion, one hundred forty-two million, one hundred forty-one thousand, ninety-one".