12802582866381 has 16 divisors (see below), whose sum is σ = 21282215674368. Its totient is φ = 6650692398000.

The previous prime is 12802582866361. The next prime is 12802582866383. The reversal of 12802582866381 is 18366828520821.

It is a happy number.

It is not a de Polignac number, because 12802582866381 - 2⁷ = 12802582866253 is a prime.

It is a super-2 number, since 2×12802582866381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12802582866383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27711218095 + ... + 27711218556.

It is an arithmetic number, because the mean of its divisors is an integer number (1330138479648).

Almost surely, 2^{12802582866381} is an apocalyptic number.

12802582866381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12802582866381 is a deficient number, since it is larger than the sum of its proper divisors (8479632807987).

12802582866381 is a wasteful number, since it uses less digits than its factorization.

12802582866381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55422436672.

The product of its (nonzero) digits is 17694720, while the sum is 60.

The spelling of 12802582866381 in words is "twelve trillion, eight hundred two billion, five hundred eighty-two million, eight hundred sixty-six thousand, three hundred eighty-one".