12010221120 has 112 divisors (see below), whose sum is σ = 38278247040. Its totient is φ = 3190480896.

The previous prime is 12010221079. The next prime is 12010221151. The reversal of 12010221120 is 2112201021.

It is a super-2 number, since 2×12010221120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12010221096 and 12010221105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228696 + ... + 276264.

Almost surely, 2^12010221120 is an apocalyptic number.

12010221120 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 12010221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19139123520).

12010221120 is an abundant number, since it is smaller than the sum of its proper divisors (26268025920).

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

12010221120 is a wasteful number, since it uses less digits than its factorization.

12010221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47852 (or 47842 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12010221120 its reverse (2112201021), we get a palindrome (14122422141).

The spelling of 12010221120 in words is "twelve billion, ten million, two hundred twenty-one thousand, one hundred twenty".