12012101220212 has 48 divisors (see below), whose sum is σ = 22024012362240. Its totient is φ = 5721683692032.

The previous prime is 12012101220209. The next prime is 12012101220227. The reversal of 12012101220212 is 21202210121021.

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 15 ways as a sum of consecutive naturals, for example, 25324364 + ... + 25794332.

It is an arithmetic number, because the mean of its divisors is an integer number (458833590880).

Almost surely, 2^{12012101220212} is an apocalyptic number.

It is an amenable number.

12012101220212 is a deficient number, since it is larger than the sum of its proper divisors (10011911142028).

12012101220212 is a wasteful number, since it uses less digits than its factorization.

12012101220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471120 (or 471118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12012101220212 its reverse (21202210121021), we get a palindrome (33214311341233).

The spelling of 12012101220212 in words is "twelve trillion, twelve billion, one hundred one million, two hundred twenty thousand, two hundred twelve".