12002011642469 has 2 divisors, whose sum is σ = 12002011642470. Its totient is φ = 12002011642468.

The previous prime is 12002011642459. The next prime is 12002011642483. The reversal of 12002011642469 is 96424611020021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11669486419969 + 332525222500 = 3416063^2 + 576650^2 .

It is an emirp because it is prime and its reverse (96424611020021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12002011642469 - 2²⁰ = 12002010593893 is a prime.

It is a super-2 number, since 2×12002011642469² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002011642459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001005821234 + 6001005821235.

It is an arithmetic number, because the mean of its divisors is an integer number (6001005821235).

Almost surely, 2^{12002011642469} is an apocalyptic number.

It is an amenable number.

12002011642469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002011642469 is an equidigital number, since it uses as much as digits as its factorization.

12002011642469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 12002011642469 in words is "twelve trillion, two billion, eleven million, six hundred forty-two thousand, four hundred sixty-nine".