12222012112222 has 16 divisors (see below), whose sum is σ = 20056312446192. Its totient is φ = 5539722200320.

The previous prime is 12222012112187. The next prime is 12222012112231. The reversal of 12222012112222 is 22221121022221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12222012112193 and 12222012112202.

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, 786884593 + ... + 786900124.

It is an arithmetic number, because the mean of its divisors is an integer number (1253519527887).

Almost surely, 2^{12222012112222} is an apocalyptic number.

12222012112222 is a deficient number, since it is larger than the sum of its proper divisors (7834300333970).

12222012112222 is a wasteful number, since it uses less digits than its factorization.

12222012112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573785083.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12222012112222 its reverse (22221121022221), we get a palindrome (34443133134443).

The spelling of 12222012112222 in words is "twelve trillion, two hundred twenty-two billion, twelve million, one hundred twelve thousand, two hundred twenty-two".