12002203200220 has 72 divisors (see below), whose sum is σ = 25847750404224. Its totient is φ = 4681360320000.

The previous prime is 12002203200161. The next prime is 12002203200223. The reversal of 12002203200220 is 2200230220021.

It is a junction number, because it is equal to n+sod(n) for n = 12002203200194 and 12002203200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002203200223) 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, 65501130 + ... + 65684110.

It is an arithmetic number, because the mean of its divisors is an integer number (358996533392).

Almost surely, 2^{12002203200220} is an apocalyptic number.

12002203200220 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 12002203200220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12923875202112).

12002203200220 is an abundant number, since it is smaller than the sum of its proper divisors (13845547204004).

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

12002203200220 is a wasteful number, since it uses less digits than its factorization.

12002203200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185023 (or 184980 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12002203200220 its reverse (2200230220021), we get a palindrome (14202433420241).

The spelling of 12002203200220 in words is "twelve trillion, two billion, two hundred three million, two hundred thousand, two hundred twenty".