12110001222220 has 48 divisors (see below), whose sum is σ = 29203065158400. Its totient is φ = 4171866448320.

The previous prime is 12110001222191. The next prime is 12110001222251. The reversal of 12110001222220 is 2222210001121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12110001222194 and 12110001222203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1448560560 + ... + 1448568919.

It is an arithmetic number, because the mean of its divisors is an integer number (608397190800).

Almost surely, 2^{12110001222220} is an apocalyptic number.

12110001222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110001222220 is an abundant number, since it is smaller than the sum of its proper divisors (17093063936180).

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

12110001222220 is a wasteful number, since it uses less digits than its factorization.

12110001222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897129518 (or 2897129516 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12110001222220 its reverse (2222210001121), we get a palindrome (14332211223341).

The spelling of 12110001222220 in words is "twelve trillion, one hundred ten billion, one million, two hundred twenty-two thousand, two hundred twenty".