12222110202012 has 18 divisors (see below), whose sum is σ = 30894778566288. Its totient is φ = 4074036733992.

The previous prime is 12222110202007. The next prime is 12222110202017. The reversal of 12222110202012 is 21020201122221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12222110202007) and next prime (12222110202017).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×12222110202012² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222110202017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169751530548 + ... + 169751530619.

It is an arithmetic number, because the mean of its divisors is an integer number (1716376587016).

Almost surely, 2^{12222110202012} is an apocalyptic number.

12222110202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12222110202012 is an abundant number, since it is smaller than the sum of its proper divisors (18672668364276).

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

12222110202012 is a wasteful number, since it uses less digits than its factorization.

12222110202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339503061177 (or 339503061172 counting only the distinct ones).

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

Adding to 12222110202012 its reverse (21020201122221), we get a palindrome (33242311324233).

The spelling of 12222110202012 in words is "twelve trillion, two hundred twenty-two billion, one hundred ten million, two hundred two thousand, twelve".