212230101221012 has 192 divisors, whose sum is σ = 468346765049856. Its totient is φ = 82054838661120.

The previous prime is 212230101220987. The next prime is 212230101221101. The reversal of 212230101221012 is 210122101032212.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 13336892768 + ... + 13336908680.

It is an arithmetic number, because the mean of its divisors is an integer number (2439306067968).

Almost surely, 2^{212230101221012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212230101221012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234173382524928).

212230101221012 is an abundant number, since it is smaller than the sum of its proper divisors (256116663828844).

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

212230101221012 is a wasteful number, since it uses less digits than its factorization.

212230101221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24526 (or 24524 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 212230101221012 its reverse (210122101032212), we get a palindrome (422352202253224).

The spelling of 212230101221012 in words is "two hundred twelve trillion, two hundred thirty billion, one hundred one million, two hundred twenty-one thousand, twelve".