212021133202 has 8 divisors (see below), whose sum is σ = 323245334412. Its totient is φ = 104272688400.

The previous prime is 212021133193. The next prime is 212021133229. The reversal of 212021133202 is 202331120212.

It can be written as a sum of positive squares in 2 ways, for example, as 179097393601 + 32923739601 = 423199^2 + 181449^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 212021133202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868938949 + ... + 868939192.

Almost surely, 2^212021133202 is an apocalyptic number.

212021133202 is a deficient number, since it is larger than the sum of its proper divisors (111224201210).

212021133202 is a wasteful number, since it uses less digits than its factorization.

212021133202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737878204.

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

Adding to 212021133202 its reverse (202331120212), we get a palindrome (414352253414).

The spelling of 212021133202 in words is "two hundred twelve billion, twenty-one million, one hundred thirty-three thousand, two hundred two".