8212108013 has 2 divisors, whose sum is σ = 8212108014. Its totient is φ = 8212108012.

The previous prime is 8212108007. The next prime is 8212108133. The reversal of 8212108013 is 3108012128.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7779592804 + 432515209 = 88202^2 + 20797^2 .

It is a cyclic number.

It is not a de Polignac number, because 8212108013 - 2¹⁶ = 8212042477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8212108613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4106054006 + 4106054007.

It is an arithmetic number, because the mean of its divisors is an integer number (4106054007).

Almost surely, 2^8212108013 is an apocalyptic number.

It is an amenable number.

8212108013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8212108013 is an equidigital number, since it uses as much as digits as its factorization.

8212108013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 8212108013 is about 90620.6820378218. The cubic root of 8212108013 is about 2017.5217142360.

The spelling of 8212108013 in words is "eight billion, two hundred twelve million, one hundred eight thousand, thirteen".