12032422220 has 96 divisors (see below), whose sum is σ = 32736076800. Its totient is φ = 3607628544.

The previous prime is 12032422217. The next prime is 12032422261. The reversal of 12032422220 is 2222423021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12032422192 and 12032422201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139400 + ... + 208559.

It is an arithmetic number, because the mean of its divisors is an integer number (341000800).

Almost surely, 2^12032422220 is an apocalyptic number.

12032422220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12032422220 is an abundant number, since it is smaller than the sum of its proper divisors (20703654580).

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

12032422220 is a wasteful number, since it uses less digits than its factorization.

12032422220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348007 (or 348005 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12032422220 its reverse (2222423021), we get a palindrome (14254845241).

The spelling of 12032422220 in words is "twelve billion, thirty-two million, four hundred twenty-two thousand, two hundred twenty".