210220012 has 6 divisors (see below), whose sum is σ = 367885028. Its totient is φ = 105110004.

The previous prime is 210220007. The next prime is 210220019. The reversal of 210220012 is 210022012.

It is not an unprimeable number, because it can be changed into a prime (210220019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26277498 + ... + 26277505.

Almost surely, 2^210220012 is an apocalyptic number.

It is an amenable number.

210220012 is a deficient number, since it is larger than the sum of its proper divisors (157665016).

210220012 is a wasteful number, since it uses less digits than its factorization.

210220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52555007 (or 52555005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 210220012 is about 14498.9658941595. The cubic root of 210220012 is about 594.5996996776.

Adding to 210220012 its reverse (210022012), we get a palindrome (420242024).

The spelling of 210220012 in words is "two hundred ten million, two hundred twenty thousand, twelve".