612201 has 4 divisors (see below), whose sum is σ = 816272. Its totient is φ = 408132.

The previous prime is 612193. The next prime is 612217. The reversal of 612201 is 102216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 612201 - 2³ = 612193 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 612201.

It is not an unprimeable number, because it can be changed into a prime (612301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102031 + ... + 102036.

It is an arithmetic number, because the mean of its divisors is an integer number (204068).

2⁶¹²²⁰¹ is an apocalyptic number.

It is an amenable number.

612201 is a deficient number, since it is larger than the sum of its proper divisors (204071).

612201 is a wasteful number, since it uses less digits than its factorization.

612201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204070.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 612201 is about 782.4327447136. The cubic root of 612201 is about 84.9111412805.

Adding to 612201 its reverse (102216), we get a palindrome (714417).

The spelling of 612201 in words is "six hundred twelve thousand, two hundred one".