12222201022222 has 8 divisors (see below), whose sum is σ = 18333327245616. Its totient is φ = 6111091940352.

The previous prime is 12222201022217. The next prime is 12222201022243. The reversal of 12222201022222 is 22222010222221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12222201022193 and 12222201022202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2323138 + ... + 5462725.

It is an arithmetic number, because the mean of its divisors is an integer number (2291665905702).

Almost surely, 2^{12222201022222} is an apocalyptic number.

12222201022222 is a deficient number, since it is larger than the sum of its proper divisors (6111126223394).

12222201022222 is an equidigital number, since it uses as much as digits as its factorization.

12222201022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570762.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 12222201022222 its reverse (22222010222221), we get a palindrome (34444211244443).

The spelling of 12222201022222 in words is "twelve trillion, two hundred twenty-two billion, two hundred one million, twenty-two thousand, two hundred twenty-two".