212101202213 has 4 divisors (see below), whose sum is σ = 213167037600. Its totient is φ = 211035366828.

The previous prime is 212101202197. The next prime is 212101202221. The reversal of 212101202213 is 312202101212.

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 212101202213 - 2⁴ = 212101202197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212101202191 and 212101202200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101202293) 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, 532917395 + ... + 532917792.

It is an arithmetic number, because the mean of its divisors is an integer number (53291759400).

Almost surely, 2^212101202213 is an apocalyptic number.

It is an amenable number.

212101202213 is a deficient number, since it is larger than the sum of its proper divisors (1065835387).

212101202213 is a wasteful number, since it uses less digits than its factorization.

212101202213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065835386.

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

Adding to 212101202213 its reverse (312202101212), we get a palindrome (524303303425).

The spelling of 212101202213 in words is "two hundred twelve billion, one hundred one million, two hundred two thousand, two hundred thirteen".