210210212212 has 192 divisors, whose sum is σ = 518109548544. Its totient is φ = 71932354560.

The previous prime is 210210212209. The next prime is 210210212221. The reversal of 210210212212 is 212212012012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17767843 + ... + 17779669.

It is an arithmetic number, because the mean of its divisors is an integer number (2698487232).

Almost surely, 2^210210212212 is an apocalyptic number.

210210212212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210210212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259054774272).

210210212212 is an abundant number, since it is smaller than the sum of its proper divisors (307899336332).

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

210210212212 is a wasteful number, since it uses less digits than its factorization.

210210212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12078 (or 12076 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210210212212 its reverse (212212012012), we get a palindrome (422422224224).

The spelling of 210210212212 in words is "two hundred ten billion, two hundred ten million, two hundred twelve thousand, two hundred twelve".