210021210232 has 16 divisors (see below), whose sum is σ = 401219765640. Its totient is φ = 103029272736.

The previous prime is 210021210193. The next prime is 210021210239. The reversal of 210021210232 is 232012120012.

It is a happy number.

210021210232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021210239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247666098 + ... + 247666945.

Almost surely, 2^210021210232 is an apocalyptic number.

It is an amenable number.

210021210232 is a deficient number, since it is larger than the sum of its proper divisors (191198555408).

210021210232 is a wasteful number, since it uses less digits than its factorization.

210021210232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495333102 (or 495333098 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210021210232 its reverse (232012120012), we get a palindrome (442033330244).

The spelling of 210021210232 in words is "two hundred ten billion, twenty-one million, two hundred ten thousand, two hundred thirty-two".