210212031220 has 48 divisors (see below), whose sum is σ = 449911179648. Its totient is φ = 82473223040.

The previous prime is 210212031209. The next prime is 210212031229. The reversal of 210212031220 is 22130212012.

It is a happy number.

210212031220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 210212031194 and 210212031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210212031229) 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 15 ways as a sum of consecutive naturals, for example, 3672057 + ... + 3728863.

It is an arithmetic number, because the mean of its divisors is an integer number (9373149576).

Almost surely, 2^210212031220 is an apocalyptic number.

210212031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210212031220 is an abundant number, since it is smaller than the sum of its proper divisors (239699148428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210212031220 is a wasteful number, since it uses less digits than its factorization.

210212031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60360 (or 60358 counting only the distinct ones).

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

Adding to 210212031220 its reverse (22130212012), we get a palindrome (232342243232).

The spelling of 210212031220 in words is "two hundred ten billion, two hundred twelve million, thirty-one thousand, two hundred twenty".