201210120019 has 2 divisors, whose sum is σ = 201210120020. Its totient is φ = 201210120018.

The previous prime is 201210120017. The next prime is 201210120091. The reversal of 201210120019 is 910021012102.

It is a happy number.

Together with next prime (201210120091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201210120019 - 2¹ = 201210120017 is a prime.

It is a super-3 number, since 3×201210120019³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 201210120017, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 201210119978 and 201210120005.

It is not a weakly prime, because it can be changed into another prime (201210120011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605060009 + 100605060010.

It is an arithmetic number, because the mean of its divisors is an integer number (100605060010).

Almost surely, 2^201210120019 is an apocalyptic number.

201210120019 is a deficient number, since it is larger than the sum of its proper divisors (1).

201210120019 is an equidigital number, since it uses as much as digits as its factorization.

201210120019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 201210120019 in words is "two hundred one billion, two hundred ten million, one hundred twenty thousand, nineteen".