12022240143220 has 48 divisors (see below), whose sum is σ = 27097993713168. Its totient is φ = 4464019537920.

The previous prime is 12022240143191. The next prime is 12022240143229. The reversal of 12022240143220 is 2234104222021.

It can be written as a sum of positive squares in 8 ways, for example, as 2830665616 + 12019409477604 = 53204^2 + 3466902^2 .

It is a super-2 number, since 2×12022240143220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022240143229) 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, 242163741 + ... + 242213380.

It is an arithmetic number, because the mean of its divisors is an integer number (564541535691).

Almost surely, 2^{12022240143220} is an apocalyptic number.

12022240143220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022240143220 is an abundant number, since it is smaller than the sum of its proper divisors (15075753569948).

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

12022240143220 is a wasteful number, since it uses less digits than its factorization.

12022240143220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484377220 (or 484377218 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12022240143220 its reverse (2234104222021), we get a palindrome (14256344365241).

The spelling of 12022240143220 in words is "twelve trillion, twenty-two billion, two hundred forty million, one hundred forty-three thousand, two hundred twenty".