12012010122222 has 40 divisors (see below), whose sum is σ = 29362691414232. Its totient is φ = 3640003066800.

The previous prime is 12012010122149. The next prime is 12012010122293. The reversal of 12012010122222 is 22222101021021.

It is a happy number.

12012010122222 is a `hidden beast` number, since 120 + 1 + 201 + 0 + 122 + 222 = 666.

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 = 12012010122195 and 12012010122204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3370371429 + ... + 3370374992.

Almost surely, 2^{12012010122222} is an apocalyptic number.

12012010122222 is an abundant number, since it is smaller than the sum of its proper divisors (17350681292010).

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

12012010122222 is a wasteful number, since it uses less digits than its factorization.

12012010122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740746446 (or 6740746437 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12012010122222 its reverse (22222101021021), we get a palindrome (34234111143243).

The spelling of 12012010122222 in words is "twelve trillion, twelve billion, ten million, one hundred twenty-two thousand, two hundred twenty-two".