212002120019 has 2 divisors, whose sum is σ = 212002120020. Its totient is φ = 212002120018.

The previous prime is 212002120007. The next prime is 212002120021. The reversal of 212002120019 is 910021200212.

It is a happy number.

212002120019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212002120019 - 2¹⁶ = 212002054483 is a prime.

It is a super-2 number, since 2×212002120019² (a number of 23 digits) contains 22 as substring.

Together with 212002120021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212002120039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106001060009 + 106001060010.

It is an arithmetic number, because the mean of its divisors is an integer number (106001060010).

Almost surely, 2^212002120019 is an apocalyptic number.

212002120019 is a deficient number, since it is larger than the sum of its proper divisors (1).

212002120019 is an equidigital number, since it uses as much as digits as its factorization.

212002120019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

It can be divided in two parts, 2 and 12002120019, that added together give a palindrome (12002120021).

The spelling of 212002120019 in words is "two hundred twelve billion, two million, one hundred twenty thousand, nineteen".