12771066202819 has 4 divisors (see below), whose sum is σ = 12862944377080. Its totient is φ = 12679188028560.

The previous prime is 12771066202801. The next prime is 12771066202823. The reversal of 12771066202819 is 91820266017721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12771066202819 - 2¹⁹ = 12771065678531 is a prime.

It is a super-2 number, since 2×12771066202819² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12771066202889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45939086922 + ... + 45939087199.

It is an arithmetic number, because the mean of its divisors is an integer number (3215736094270).

Almost surely, 2^{12771066202819} is an apocalyptic number.

12771066202819 is a deficient number, since it is larger than the sum of its proper divisors (91878174261).

12771066202819 is an equidigital number, since it uses as much as digits as its factorization.

12771066202819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91878174260.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 12771066202819 in words is "twelve trillion, seven hundred seventy-one billion, sixty-six million, two hundred two thousand, eight hundred nineteen".