210021231202212 has 24 divisors (see below), whose sum is σ = 490116826444896. Its totient is φ = 69997464642688.

The previous prime is 210021231202207. The next prime is 210021231202229. The reversal of 210021231202212 is 212202132120012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201462053 + ... + 1201636844.

It is an arithmetic number, because the mean of its divisors is an integer number (20421534435204).

Almost surely, 2^{210021231202212} is an apocalyptic number.

It is an amenable number.

210021231202212 is an abundant number, since it is smaller than the sum of its proper divisors (280095595242684).

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

210021231202212 is a wasteful number, since it uses less digits than its factorization.

210021231202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403106187 (or 2403106185 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 210021231202212 its reverse (212202132120012), we get a palindrome (422223363322224).

The spelling of 210021231202212 in words is "two hundred ten trillion, twenty-one billion, two hundred thirty-one million, two hundred two thousand, two hundred twelve".