12122202132220 has 48 divisors (see below), whose sum is σ = 26955159678720. Its totient is φ = 4563468575744.

The previous prime is 12122202132163. The next prime is 12122202132221. The reversal of 12122202132220 is 2223120222121.

It is a happy number.

It is a super-2 number, since 2×12122202132220² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12122202132191 and 12122202132200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122202132221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7877886 + ... + 9290074.

It is an arithmetic number, because the mean of its divisors is an integer number (561565826640).

Almost surely, 2^{12122202132220} is an apocalyptic number.

12122202132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122202132220 is an abundant number, since it is smaller than the sum of its proper divisors (14832957546500).

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

12122202132220 is a wasteful number, since it uses less digits than its factorization.

12122202132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437462 (or 1437460 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12122202132220 its reverse (2223120222121), we get a palindrome (14345322354341).

The spelling of 12122202132220 in words is "twelve trillion, one hundred twenty-two billion, two hundred two million, one hundred thirty-two thousand, two hundred twenty".