12212200111122 has 48 divisors (see below), whose sum is σ = 28865650282560. Its totient is φ = 3700609005600.

The previous prime is 12212200111117. The next prime is 12212200111141. The reversal of 12212200111122 is 22111100221221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12212200111095 and 12212200111104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13237347 + ... + 14129817.

It is an arithmetic number, because the mean of its divisors is an integer number (601367714220).

Almost surely, 2^{12212200111122} is an apocalyptic number.

12212200111122 is an abundant number, since it is smaller than the sum of its proper divisors (16653450171438).

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

12212200111122 is a wasteful number, since it uses less digits than its factorization.

12212200111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961599 (or 961596 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212200111122 its reverse (22111100221221), we get a palindrome (34323300332343).

The spelling of 12212200111122 in words is "twelve trillion, two hundred twelve billion, two hundred million, one hundred eleven thousand, one hundred twenty-two".