12006621659 has 2 divisors, whose sum is σ = 12006621660. Its totient is φ = 12006621658.

The previous prime is 12006621547. The next prime is 12006621661. The reversal of 12006621659 is 95612660021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12006621659 - 2¹⁶ = 12006556123 is a prime.

Together with 12006621661, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12006621689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6003310829 + 6003310830.

It is an arithmetic number, because the mean of its divisors is an integer number (6003310830).

Almost surely, 2^12006621659 is an apocalyptic number.

12006621659 is a deficient number, since it is larger than the sum of its proper divisors (1).

12006621659 is an equidigital number, since it uses as much as digits as its factorization.

12006621659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 12006621659 in words is "twelve billion, six million, six hundred twenty-one thousand, six hundred fifty-nine".