12120220201110 has 32 divisors (see below), whose sum is σ = 33244032552192. Its totient is φ = 2770336045920.

The previous prime is 12120220201099. The next prime is 12120220201121. The reversal of 12120220201110 is 1110202202121.

It is an interprime number because it is at equal distance from previous prime (12120220201099) and next prime (12120220201121).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12120220201110.

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, 28857666936 + ... + 28857667355.

It is an arithmetic number, because the mean of its divisors is an integer number (1038876017256).

Almost surely, 2^{12120220201110} is an apocalyptic number.

12120220201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120220201110 is an abundant number, since it is smaller than the sum of its proper divisors (21123812351082).

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

12120220201110 is a wasteful number, since it uses less digits than its factorization.

12120220201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57715334308.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12120220201110 its reverse (1110202202121), we get a palindrome (13230422403231).

The spelling of 12120220201110 in words is "twelve trillion, one hundred twenty billion, two hundred twenty million, two hundred one thousand, one hundred ten".