212017201 has 8 divisors (see below), whose sum is σ = 231547104. Its totient is φ = 192529920.

The previous prime is 212017199. The next prime is 212017207. The reversal of 212017201 is 102710212.

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

It is not a de Polignac number, because 212017201 - 2¹ = 212017199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212017207) 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, 241 + ... + 20593.

It is an arithmetic number, because the mean of its divisors is an integer number (28943388).

Almost surely, 2^212017201 is an apocalyptic number.

It is an amenable number.

212017201 is a deficient number, since it is larger than the sum of its proper divisors (19529903).

212017201 is a wasteful number, since it uses less digits than its factorization.

212017201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21311.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 212017201 is about 14560.8104513451. The cubic root of 212017201 is about 596.2893219031.

Adding to 212017201 its reverse (102710212), we get a palindrome (314727413).

It can be divided in two parts, 2120 and 17201, that added together give a square (19321 = 139²).

The spelling of 212017201 in words is "two hundred twelve million, seventeen thousand, two hundred one".