212010001 has 8 divisors (see below), whose sum is σ = 242409600. Its totient is φ = 181638528.

The previous prime is 212009989. The next prime is 212010041. The reversal of 212010001 is 100010212.

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

It is a cyclic number.

It is not a de Polignac number, because 212010001 - 2¹⁷ = 211878929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212010041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12900 + ... + 24298.

It is an arithmetic number, because the mean of its divisors is an integer number (30301200).

Almost surely, 2^212010001 is an apocalyptic number.

It is an amenable number.

212010001 is a deficient number, since it is larger than the sum of its proper divisors (30399599).

212010001 is a wasteful number, since it uses less digits than its factorization.

212010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14063.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 212010001 is about 14560.5632102608. The cubic root of 212010001 is about 596.2825719292.

Adding to 212010001 its reverse (100010212), we get a palindrome (312020213).

It can be divided in two parts, 2120 and 10001, that added together give a palindrome (12121).

The spelling of 212010001 in words is "two hundred twelve million, ten thousand, one".