12202111220 has 48 divisors (see below), whose sum is σ = 29047952640. Its totient is φ = 4268267136.

The previous prime is 12202111213. The next prime is 12202111237. The reversal of 12202111220 is 2211120221.

It is a junction number, because it is equal to n+sod(n) for n = 12202111195 and 12202111204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230092 + ... + 1239971.

It is an arithmetic number, because the mean of its divisors is an integer number (605165680).

Almost surely, 2^12202111220 is an apocalyptic number.

12202111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202111220 is an abundant number, since it is smaller than the sum of its proper divisors (16845841420).

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

12202111220 is a wasteful number, since it uses less digits than its factorization.

12202111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470104 (or 2470102 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12202111220 its reverse (2211120221), we get a palindrome (14413231441).

Subtracting from 12202111220 its reverse (2211120221), we obtain a palindrome (9990990999).

The spelling of 12202111220 in words is "twelve billion, two hundred two million, one hundred eleven thousand, two hundred twenty".