212201212241 has 4 divisors (see below), whose sum is σ = 212202851184. Its totient is φ = 212199573300.

The previous prime is 212201212229. The next prime is 212201212277. The reversal of 212201212241 is 142212102212.

It is a happy number.

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 212201212241 - 2⁶ = 212201212177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212201232241) 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, 606875 + ... + 890336.

It is an arithmetic number, because the mean of its divisors is an integer number (53050712796).

Almost surely, 2^212201212241 is an apocalyptic number.

It is an amenable number.

212201212241 is a deficient number, since it is larger than the sum of its proper divisors (1638943).

212201212241 is a wasteful number, since it uses less digits than its factorization.

212201212241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638942.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212201212241 its reverse (142212102212), we get a palindrome (354413314453).

The spelling of 212201212241 in words is "two hundred twelve billion, two hundred one million, two hundred twelve thousand, two hundred forty-one".