12022111212222 has 32 divisors (see below), whose sum is σ = 24059821754880. Its totient is φ = 4004771351840.

The previous prime is 12022111212217. The next prime is 12022111212233. The reversal of 12022111212222 is 22221211122021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59214679 + ... + 59417357.

It is an arithmetic number, because the mean of its divisors is an integer number (751869429840).

Almost surely, 2^{12022111212222} is an apocalyptic number.

12022111212222 is an abundant number, since it is smaller than the sum of its proper divisors (12037710542658).

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

12022111212222 is a wasteful number, since it uses less digits than its factorization.

12022111212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209048.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12022111212222 its reverse (22221211122021), we get a palindrome (34243322334243).

The spelling of 12022111212222 in words is "twelve trillion, twenty-two billion, one hundred eleven million, two hundred twelve thousand, two hundred twenty-two".