12220221033 has 8 divisors (see below), whose sum is σ = 18104031200. Its totient is φ = 8146814004.

The previous prime is 12220221031. The next prime is 12220221043. The reversal of 12220221033 is 33012202221.

It is not a de Polignac number, because 12220221033 - 2¹ = 12220221031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12220220997 and 12220221015.

It is not an unprimeable number, because it can be changed into a prime (12220221031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226300363 + ... + 226300416.

It is an arithmetic number, because the mean of its divisors is an integer number (2263003900).

Almost surely, 2^12220221033 is an apocalyptic number.

It is an amenable number.

12220221033 is a deficient number, since it is larger than the sum of its proper divisors (5883810167).

12220221033 is an equidigital number, since it uses as much as digits as its factorization.

12220221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452600788 (or 452600782 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12220221033 its reverse (33012202221), we get a palindrome (45232423254).

The spelling of 12220221033 in words is "twelve billion, two hundred twenty million, two hundred twenty-one thousand, thirty-three".