200021212010 has 16 divisors (see below), whose sum is σ = 360046485000. Its totient is φ = 80006639616.

The previous prime is 200021212003. The next prime is 200021212031. The reversal of 200021212010 is 10212120002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 192039397729 + 7981814281 = 438223^2 + 89341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200021211982 and 200021212000.

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, 278066 + ... + 690914.

Almost surely, 2^200021212010 is an apocalyptic number.

200021212010 is a deficient number, since it is larger than the sum of its proper divisors (160025272990).

200021212010 is a wasteful number, since it uses less digits than its factorization.

200021212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461305.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200021212010 its reverse (10212120002), we get a palindrome (210233332012).

The spelling of 200021212010 in words is "two hundred billion, twenty-one million, two hundred twelve thousand, ten".