210212000197 has 4 divisors (see below), whose sum is σ = 210212958796. Its totient is φ = 210211041600.

The previous prime is 210212000179. The next prime is 210212000213. The reversal of 210212000197 is 791000212012.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 65727627876 + 144484372321 = 256374^2 + 380111^2 .

It is a cyclic number.

It is not a de Polignac number, because 210212000197 - 2⁷ = 210212000069 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 (210212000797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30103 + ... + 649099.

It is an arithmetic number, because the mean of its divisors is an integer number (52553239699).

Almost surely, 2^210212000197 is an apocalyptic number.

It is an amenable number.

210212000197 is a deficient number, since it is larger than the sum of its proper divisors (958599).

210212000197 is an equidigital number, since it uses as much as digits as its factorization.

210212000197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958598.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 210212000197 in words is "two hundred ten billion, two hundred twelve million, one hundred ninety-seven", and thus it is an aban number.