12012211221010 has 64 divisors (see below), whose sum is σ = 29030910499584. Its totient is φ = 3456060768000.

The previous prime is 12012211221007. The next prime is 12012211221011. The reversal of 12012211221010 is 1012211221021.

12012211221010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12012211221011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 600000541 + ... + 600020560.

It is an arithmetic number, because the mean of its divisors is an integer number (453607976556).

Almost surely, 2^{12012211221010} is an apocalyptic number.

12012211221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012211221010 is an abundant number, since it is smaller than the sum of its proper divisors (17018699278574).

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

12012211221010 is a wasteful number, since it uses less digits than its factorization.

12012211221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200021139.

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

Adding to 12012211221010 its reverse (1012211221021), we get a palindrome (13024422442031).

It can be divided in two parts, 12012211 and 221010, that added together give a palindrome (12233221).

The spelling of 12012211221010 in words is "twelve trillion, twelve billion, two hundred eleven million, two hundred twenty-one thousand, ten".