12202210111220 has 24 divisors (see below), whose sum is σ = 25627871699304. Its totient is φ = 4880268717696.

The previous prime is 12202210111213. The next prime is 12202210111229. The reversal of 12202210111220 is 2211101220221.

It can be written as a sum of positive squares in 4 ways, for example, as 797836516 + 12201412274704 = 28246^2 + 3493052^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202210111229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38295299 + ... + 38612618.

It is an arithmetic number, because the mean of its divisors is an integer number (1067827987471).

Almost surely, 2^{12202210111220} is an apocalyptic number.

12202210111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202210111220 is an abundant number, since it is smaller than the sum of its proper divisors (13425661588084).

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

12202210111220 is a wasteful number, since it uses less digits than its factorization.

12202210111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76915859 (or 76915857 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12202210111220 its reverse (2211101220221), we get a palindrome (14413311331441).

The spelling of 12202210111220 in words is "twelve trillion, two hundred two billion, two hundred ten million, one hundred eleven thousand, two hundred twenty".