212097 has 12 divisors (see below), whose sum is σ = 302640. Its totient is φ = 131760.

The previous prime is 212081. The next prime is 212099. The reversal of 212097 is 790212.

It is a happy number.

It is not a de Polignac number, because 212097 - 2⁴ = 212081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3447 + ... + 3507.

It is an arithmetic number, because the mean of its divisors is an integer number (25220).

2²¹²⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

212097 is a deficient number, since it is larger than the sum of its proper divisors (90543).

212097 is an equidigital number, since it uses as much as digits as its factorization.

212097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 212097 is about 460.5399005515. The cubic root of 212097 is about 59.6364122946.

The spelling of 212097 in words is "two hundred twelve thousand, ninety-seven".