82026121013 has 2 divisors, whose sum is σ = 82026121014. Its totient is φ = 82026121012.

The previous prime is 82026120973. The next prime is 82026121019. The reversal of 82026121013 is 31012162028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81609062929 + 417058084 = 285673^2 + 20422^2 .

It is a cyclic number.

It is not a de Polignac number, because 82026121013 - 2⁶ = 82026120949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82026121019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41013060506 + 41013060507.

It is an arithmetic number, because the mean of its divisors is an integer number (41013060507).

Almost surely, 2^82026121013 is an apocalyptic number.

It is an amenable number.

82026121013 is a deficient number, since it is larger than the sum of its proper divisors (1).

82026121013 is an equidigital number, since it uses as much as digits as its factorization.

82026121013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 82026121013 in words is "eighty-two billion, twenty-six million, one hundred twenty-one thousand, thirteen".