212102201213 has 4 divisors (see below), whose sum is σ = 242402515680. Its totient is φ = 181801886748.

The previous prime is 212102201197. The next prime is 212102201249. The reversal of 212102201213 is 312102201212.

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 212102201213 - 2⁴ = 212102201197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212102201191 and 212102201200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212102201413) 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, 15150157223 + ... + 15150157236.

It is an arithmetic number, because the mean of its divisors is an integer number (60600628920).

Almost surely, 2^212102201213 is an apocalyptic number.

It is an amenable number.

212102201213 is a deficient number, since it is larger than the sum of its proper divisors (30300314467).

212102201213 is an equidigital number, since it uses as much as digits as its factorization.

212102201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30300314466.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212102201213 its reverse (312102201212), we get a palindrome (524204402425).

Subtracting 212102201213 from its reverse (312102201212), we obtain a palindrome (99999999999).

The spelling of 212102201213 in words is "two hundred twelve billion, one hundred two million, two hundred one thousand, two hundred thirteen".