212023102213 has 16 divisors (see below), whose sum is σ = 242021059056. Its totient is φ = 184005135360.

The previous prime is 212023102177. The next prime is 212023102219. The reversal of 212023102213 is 312201320212.

It can be written as a sum of positive squares in 8 ways, for example, as 1394424964 + 210628677249 = 37342^2 + 458943^2 .

It is a cyclic number.

It is not a de Polignac number, because 212023102213 - 2²¹ = 212021005061 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 (212023102219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301806 + ... + 717727.

It is an arithmetic number, because the mean of its divisors is an integer number (15126316191).

Almost surely, 2^212023102213 is an apocalyptic number.

It is an amenable number.

212023102213 is a deficient number, since it is larger than the sum of its proper divisors (29997956843).

212023102213 is a wasteful number, since it uses less digits than its factorization.

212023102213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020504.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212023102213 its reverse (312201320212), we get a palindrome (524224422425).

The spelling of 212023102213 in words is "two hundred twelve billion, twenty-three million, one hundred two thousand, two hundred thirteen".