212023313330 has 16 divisors (see below), whose sum is σ = 381662648280. Its totient is φ = 84804728832.

The previous prime is 212023313233. The next prime is 212023313339. The reversal of 212023313330 is 33313320212.

It can be written as a sum of positive squares in 4 ways, for example, as 211691089801 + 332223529 = 460099^2 + 18227^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212023313296 and 212023313305.

It is not an unprimeable number, because it can be changed into a prime (212023313339) 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, 377615 + ... + 752754.

Almost surely, 2^212023313330 is an apocalyptic number.

212023313330 is a deficient number, since it is larger than the sum of its proper divisors (169639334950).

212023313330 is a wasteful number, since it uses less digits than its factorization.

212023313330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149133.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 212023313330 its reverse (33313320212), we get a palindrome (245336633542).

The spelling of 212023313330 in words is "two hundred twelve billion, twenty-three million, three hundred thirteen thousand, three hundred thirty".