12016636506619 has 2 divisors, whose sum is σ = 12016636506620. Its totient is φ = 12016636506618.

The previous prime is 12016636506547. The next prime is 12016636506629. The reversal of 12016636506619 is 91660563661021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12016636506619 - 2¹⁹ = 12016635982331 is a prime.

It is a super-2 number, since 2×12016636506619² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12016636506629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6008318253309 + 6008318253310.

It is an arithmetic number, because the mean of its divisors is an integer number (6008318253310).

Almost surely, 2^{12016636506619} is an apocalyptic number.

12016636506619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12016636506619 is an equidigital number, since it uses as much as digits as its factorization.

12016636506619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 12016636506619 in words is "twelve trillion, sixteen billion, six hundred thirty-six million, five hundred six thousand, six hundred nineteen".