12210120103220 has 72 divisors (see below), whose sum is σ = 27767038342680. Its totient is φ = 4508082708480.

The previous prime is 12210120103199. The next prime is 12210120103241. The reversal of 12210120103220 is 2230102101221.

It is an interprime number because it is at equal distance from previous prime (12210120103199) and next prime (12210120103241).

It can be written as a sum of positive squares in 12 ways, for example, as 5541061770916 + 6669058332304 = 2353946^2 + 2582452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61718060 + ... + 61915580.

It is an arithmetic number, because the mean of its divisors is an integer number (385653310315).

Almost surely, 2^{12210120103220} is an apocalyptic number.

12210120103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210120103220 is an abundant number, since it is smaller than the sum of its proper divisors (15556918239460).

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

12210120103220 is a wasteful number, since it uses less digits than its factorization.

12210120103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215845 (or 215830 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12210120103220 its reverse (2230102101221), we get a palindrome (14440222204441).

The spelling of 12210120103220 in words is "twelve trillion, two hundred ten billion, one hundred twenty million, one hundred three thousand, two hundred twenty".