12223020132 has 72 divisors (see below), whose sum is σ = 31940213760. Its totient is φ = 3937167360.

The previous prime is 12223020097. The next prime is 12223020133. The reversal of 12223020132 is 23102032221.

It is a super-2 number, since 2×12223020132² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12223020133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 794788 + ... + 810020.

It is an arithmetic number, because the mean of its divisors is an integer number (443614080).

Almost surely, 2^12223020132 is an apocalyptic number.

12223020132 is a gapful number since it is divisible by the number (12) 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 12223020132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15970106880).

12223020132 is an abundant number, since it is smaller than the sum of its proper divisors (19717193628).

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

12223020132 is a wasteful number, since it uses less digits than its factorization.

12223020132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15993 (or 15988 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12223020132 its reverse (23102032221), we get a palindrome (35325052353).

The spelling of 12223020132 in words is "twelve billion, two hundred twenty-three million, twenty thousand, one hundred thirty-two".