12003212222 has 4 divisors (see below), whose sum is σ = 18004818336. Its totient is φ = 6001606110.

The previous prime is 12003212197. The next prime is 12003212233. The reversal of 12003212222 is 22221230021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12003212222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000803054 + ... + 3000803057.

It is an arithmetic number, because the mean of its divisors is an integer number (4501204584).

Almost surely, 2^12003212222 is an apocalyptic number.

12003212222 is a deficient number, since it is larger than the sum of its proper divisors (6001606114).

12003212222 is an equidigital number, since it uses as much as digits as its factorization.

12003212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001606113.

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

Adding to 12003212222 its reverse (22221230021), we get a palindrome (34224442243).

The spelling of 12003212222 in words is "twelve billion, three million, two hundred twelve thousand, two hundred twenty-two".