12212201111122 has 8 divisors (see below), whose sum is σ = 18319754269872. Its totient is φ = 6105616354500.

The previous prime is 12212201111101. The next prime is 12212201111203. The reversal of 12212201111122 is 22111110221221.

It is a happy number.

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

It is a super-2 number, since 2×12212201111122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12212201111122.

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, 242069004 + ... + 242119447.

It is an arithmetic number, because the mean of its divisors is an integer number (2289969283734).

Almost surely, 2^{12212201111122} is an apocalyptic number.

12212201111122 is a deficient number, since it is larger than the sum of its proper divisors (6107553158750).

12212201111122 is a wasteful number, since it uses less digits than its factorization.

12212201111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484201064.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12212201111122 its reverse (22111110221221), we get a palindrome (34323311332343).

The spelling of 12212201111122 in words is "twelve trillion, two hundred twelve billion, two hundred one million, one hundred eleven thousand, one hundred twenty-two".