1232223212220 has 768 divisors, whose sum is σ = 4818581913600. Its totient is φ = 227019386880.

The previous prime is 1232223212219. The next prime is 1232223212243. The reversal of 1232223212220 is 222123222321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 175551871 + ... + 175558889.

It is an arithmetic number, because the mean of its divisors is an integer number (6274195200).

Almost surely, 2^{1232223212220} is an apocalyptic number.

1232223212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232223212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2409290956800).

1232223212220 is an abundant number, since it is smaller than the sum of its proper divisors (3586358701380).

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

1232223212220 is a wasteful number, since it uses less digits than its factorization.

1232223212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7178 (or 7176 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1232223212220 its reverse (222123222321), we get a palindrome (1454346434541).

The spelling of 1232223212220 in words is "one trillion, two hundred thirty-two billion, two hundred twenty-three million, two hundred twelve thousand, two hundred twenty".