212001023330 has 16 divisors (see below), whose sum is σ = 385889504760. Its totient is φ = 83847595392.

The previous prime is 212001023323. The next prime is 212001023447. The reversal of 212001023330 is 33320100212.

It can be written as a sum of positive squares in 4 ways, for example, as 179980426081 + 32020597249 = 424241^2 + 178943^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212001023299 and 212001023308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119100809 + ... + 119102588.

Almost surely, 2^212001023330 is an apocalyptic number.

212001023330 is a deficient number, since it is larger than the sum of its proper divisors (173888481430).

212001023330 is a wasteful number, since it uses less digits than its factorization.

212001023330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238203493.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 212001023330 its reverse (33320100212), we get a palindrome (245321123542).

The spelling of 212001023330 in words is "two hundred twelve billion, one million, twenty-three thousand, three hundred thirty".