2012197 has 4 divisors (see below), whose sum is σ = 2195136. Its totient is φ = 1829260.

The previous prime is 2012189. The next prime is 2012203. The reversal of 2012197 is 7912102.

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 a cyclic number.

It is not a de Polignac number, because 2012197 - 2³ = 2012189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012147) 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, 91453 + ... + 91474.

It is an arithmetic number, because the mean of its divisors is an integer number (548784).

2^2012197 is an apocalyptic number.

It is an amenable number.

2012197 is a deficient number, since it is larger than the sum of its proper divisors (182939).

2012197 is a wasteful number, since it uses less digits than its factorization.

2012197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182938.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 2012197 is about 1418.5192984235. The cubic root of 2012197 is about 126.2477070459.

Adding to 2012197 its reverse (7912102), we get a palindrome (9924299).

It can be divided in two parts, 2012 and 197, that added together give a square (2209 = 47²).

The spelling of 2012197 in words is "two million, twelve thousand, one hundred ninety-seven".