12010112220 has 48 divisors (see below), whose sum is σ = 33854032800. Its totient is φ = 3181199616.

The previous prime is 12010112207. The next prime is 12010112263. The reversal of 12010112220 is 2221101021.

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 = 12010112196 and 12010112205.

It is a congruent number.

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, 662767 + ... + 680646.

It is an arithmetic number, because the mean of its divisors is an integer number (705292350).

Almost surely, 2^12010112220 is an apocalyptic number.

12010112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010112220 is an abundant number, since it is smaller than the sum of its proper divisors (21843920580).

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

12010112220 is a wasteful number, since it uses less digits than its factorization.

12010112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343574 (or 1343572 counting only the distinct ones).

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

Adding to 12010112220 its reverse (2221101021), we get a palindrome (14231213241).

The spelling of 12010112220 in words is "twelve billion, ten million, one hundred twelve thousand, two hundred twenty".