212030203636 has 12 divisors (see below), whose sum is σ = 374878144228. Its totient is φ = 104922162432.

The previous prime is 212030203559. The next prime is 212030203807. The reversal of 212030203636 is 636302030212.

It can be written as a sum of positive squares in 2 ways, for example, as 91451808100 + 120578395536 = 302410^2 + 347244^2 .

It is a congruent number.

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, 273234411 + ... + 273235186.

Almost surely, 2^212030203636 is an apocalyptic number.

It is an amenable number.

212030203636 is a deficient number, since it is larger than the sum of its proper divisors (162847940592).

212030203636 is a wasteful number, since it uses less digits than its factorization.

212030203636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546469698 (or 546469696 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 212030203636 its reverse (636302030212), we get a palindrome (848332233848).

The spelling of 212030203636 in words is "two hundred twelve billion, thirty million, two hundred three thousand, six hundred thirty-six".