212100013213 has 8 divisors (see below), whose sum is σ = 234835293600. Its totient is φ = 189940309680.

The previous prime is 212100013189. The next prime is 212100013243. The reversal of 212100013213 is 312310001212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212100013213 - 2⁹ = 212100012701 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 (212100013243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143893438 + ... + 143894911.

It is an arithmetic number, because the mean of its divisors is an integer number (29354411700).

Almost surely, 2^212100013213 is an apocalyptic number.

It is an amenable number.

212100013213 is a deficient number, since it is larger than the sum of its proper divisors (22735280387).

212100013213 is a wasteful number, since it uses less digits than its factorization.

212100013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287788427.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212100013213 its reverse (312310001212), we get a palindrome (524410014425).

The spelling of 212100013213 in words is "two hundred twelve billion, one hundred million, thirteen thousand, two hundred thirteen".