12120220211110 has 32 divisors (see below), whose sum is σ = 23799895790112. Its totient is φ = 4407317498880.

The previous prime is 12120220211069. The next prime is 12120220211111. The reversal of 12120220211110 is 1111202202121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120220211111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16188604 + ... + 16920736.

It is an arithmetic number, because the mean of its divisors is an integer number (743746743441).

Almost surely, 2^{12120220211110} is an apocalyptic number.

12120220211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120220211110 is a deficient number, since it is larger than the sum of its proper divisors (11679675579002).

12120220211110 is a wasteful number, since it uses less digits than its factorization.

12120220211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882648.

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

Adding to 12120220211110 its reverse (1111202202121), we get a palindrome (13231422413231).

It can be divided in two parts, 121202202111 and 10, that added together give a palindrome (121202202121).

The spelling of 12120220211110 in words is "twelve trillion, one hundred twenty billion, two hundred twenty million, two hundred eleven thousand, one hundred ten".