12222011022222 has 16 divisors (see below), whose sum is σ = 24444453601152. Its totient is φ = 4073931747960.

The previous prime is 12222011022187. The next prime is 12222011022257. The reversal of 12222011022222 is 22222011022221.

It is an interprime number because it is at equal distance from previous prime (12222011022187) and next prime (12222011022257).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17612778 + ... + 18293549.

It is an arithmetic number, because the mean of its divisors is an integer number (1527778350072).

Almost surely, 2^{12222011022222} is an apocalyptic number.

12222011022222 is an abundant number, since it is smaller than the sum of its proper divisors (12222442578930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12222011022222 is a wasteful number, since it uses less digits than its factorization.

12222011022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35963063.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12222011022222 its reverse (22222011022221), we get a palindrome (34444022044443).

Subtracting 12222011022222 from its reverse (22222011022221), we obtain a palindrome (9999999999999).

The spelling of 12222011022222 in words is "twelve trillion, two hundred twenty-two billion, eleven million, twenty-two thousand, two hundred twenty-two".