12210012002222 has 4 divisors (see below), whose sum is σ = 18315018003336. Its totient is φ = 6105006001110.

The previous prime is 12210012002213. The next prime is 12210012002233. The reversal of 12210012002222 is 22220021001221.

It is a happy number.

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 12210012002222.

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, 3052503000554 + ... + 3052503000557.

It is an arithmetic number, because the mean of its divisors is an integer number (4578754500834).

Almost surely, 2^{12210012002222} is an apocalyptic number.

12210012002222 is a deficient number, since it is larger than the sum of its proper divisors (6105006001114).

12210012002222 is an equidigital number, since it uses as much as digits as its factorization.

12210012002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105006001113.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12210012002222 its reverse (22220021001221), we get a palindrome (34430033003443).

It can be divided in two parts, 1221001 and 2002222, that added together give a palindrome (3223223).

The spelling of 12210012002222 in words is "twelve trillion, two hundred ten billion, twelve million, two thousand, two hundred twenty-two".