12203012222 has 4 divisors (see below), whose sum is σ = 18304518336. Its totient is φ = 6101506110.

The previous prime is 12203012221. The next prime is 12203012231. The reversal of 12203012222 is 22221030221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22221030221 = 13 ⋅1709310017.

It is a self number, because there is not a number n which added to its sum of digits gives 12203012222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203012221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050753054 + ... + 3050753057.

It is an arithmetic number, because the mean of its divisors is an integer number (4576129584).

Almost surely, 2^12203012222 is an apocalyptic number.

12203012222 is a deficient number, since it is larger than the sum of its proper divisors (6101506114).

12203012222 is an equidigital number, since it uses as much as digits as its factorization.

12203012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101506113.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12203012222 its reverse (22221030221), we get a palindrome (34424042443).

The spelling of 12203012222 in words is "twelve billion, two hundred three million, twelve thousand, two hundred twenty-two".