201210005 has 8 divisors (see below), whose sum is σ = 241566624. Its totient is φ = 160891600.

The previous prime is 201209999. The next prime is 201210013. The reversal of 201210005 is 500012102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201210005 - 2⁴ = 201209989 is a prime.

It is a super-2 number, since 2×201210005² = 80970932224200050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3710 + ... + 20400.

It is an arithmetic number, because the mean of its divisors is an integer number (30195828).

Almost surely, 2^201210005 is an apocalyptic number.

It is an amenable number.

201210005 is a deficient number, since it is larger than the sum of its proper divisors (40356619).

201210005 is a wasteful number, since it uses less digits than its factorization.

201210005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19107.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 201210005 is about 14184.8512505419. The cubic root of 201210005 is about 585.9805359158.

Adding to 201210005 its reverse (500012102), we get a palindrome (701222107).

The spelling of 201210005 in words is "two hundred one million, two hundred ten thousand, five".