12820122619 has 2 divisors, whose sum is σ = 12820122620. Its totient is φ = 12820122618.

The previous prime is 12820122593. The next prime is 12820122629. The reversal of 12820122619 is 91622102821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12820122619 - 2¹³ = 12820114427 is a prime.

It is a super-2 number, since 2×12820122619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12820122629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6410061309 + 6410061310.

It is an arithmetic number, because the mean of its divisors is an integer number (6410061310).

Almost surely, 2^12820122619 is an apocalyptic number.

12820122619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12820122619 is an equidigital number, since it uses as much as digits as its factorization.

12820122619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 12820122619 in words is "twelve billion, eight hundred twenty million, one hundred twenty-two thousand, six hundred nineteen".