12210121201012 has 96 divisors (see below), whose sum is σ = 26538574684160. Its totient is φ = 4796878320000.

The previous prime is 12210121201001. The next prime is 12210121201027. The reversal of 12210121201012 is 21010212101221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122172262 + ... + 122272162.

Almost surely, 2^{12210121201012} 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 12210121201012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13269287342080).

12210121201012 is an abundant number, since it is smaller than the sum of its proper divisors (14328453483148).

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

12210121201012 is a wasteful number, since it uses less digits than its factorization.

12210121201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107373 (or 107371 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12210121201012 its reverse (21010212101221), we get a palindrome (33220333302233).

The spelling of 12210121201012 in words is "twelve trillion, two hundred ten billion, one hundred twenty-one million, two hundred one thousand, twelve".