12212200120012 has 12 divisors (see below), whose sum is σ = 21420032104240. Its totient is φ = 6092190947376.

The previous prime is 12212200119947. The next prime is 12212200120013. The reversal of 12212200120012 is 21002100221221.

It is a happy number.

It is a super-2 number, since 2×12212200120012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12212200120013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3477276183 + ... + 3477279694.

Almost surely, 2^{12212200120012} is an apocalyptic number.

It is an amenable number.

12212200120012 is a deficient number, since it is larger than the sum of its proper divisors (9207831984228).

12212200120012 is a wasteful number, since it uses less digits than its factorization.

12212200120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6954556320 (or 6954556318 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12212200120012 its reverse (21002100221221), we get a palindrome (33214300341233).

The spelling of 12212200120012 in words is "twelve trillion, two hundred twelve billion, two hundred million, one hundred twenty thousand, twelve".