12140123659 has 2 divisors, whose sum is σ = 12140123660. Its totient is φ = 12140123658.

The previous prime is 12140123591. The next prime is 12140123669. The reversal of 12140123659 is 95632104121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12140123659 - 2¹³ = 12140115467 is a prime.

It is not a weakly prime, because it can be changed into another prime (12140123669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6070061829 + 6070061830.

It is an arithmetic number, because the mean of its divisors is an integer number (6070061830).

Almost surely, 2^12140123659 is an apocalyptic number.

12140123659 is a deficient number, since it is larger than the sum of its proper divisors (1).

12140123659 is an equidigital number, since it uses as much as digits as its factorization.

12140123659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 12140123659 in words is "twelve billion, one hundred forty million, one hundred twenty-three thousand, six hundred fifty-nine".