12220120222 has 4 divisors (see below), whose sum is σ = 18330180336. Its totient is φ = 6110060110.

The previous prime is 12220120207. The next prime is 12220120223. The reversal of 12220120222 is 22202102221.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 12220120196 and 12220120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220120223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055030054 + ... + 3055030057.

It is an arithmetic number, because the mean of its divisors is an integer number (4582545084).

Almost surely, 2^12220120222 is an apocalyptic number.

12220120222 is a deficient number, since it is larger than the sum of its proper divisors (6110060114).

12220120222 is an equidigital number, since it uses as much as digits as its factorization.

12220120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110060113.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12220120222 its reverse (22202102221), we get a palindrome (34422222443).

The spelling of 12220120222 in words is "twelve billion, two hundred twenty million, one hundred twenty thousand, two hundred twenty-two".