12001010220 has 120 divisors (see below), whose sum is σ = 37699455024. Its totient is φ = 3195863424.

The previous prime is 12001010213. The next prime is 12001010233. The reversal of 12001010220 is 2201010021.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1270234 + ... + 1279646.

Almost surely, 2^12001010220 is an apocalyptic number.

12001010220 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 12001010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18849727512).

12001010220 is an abundant number, since it is smaller than the sum of its proper divisors (25698444804).

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

12001010220 is a wasteful number, since it uses less digits than its factorization.

12001010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221 (or 10210 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12001010220 its reverse (2201010021), we get a palindrome (14202020241).

The spelling of 12001010220 in words is "twelve billion, one million, ten thousand, two hundred twenty".