12212200220012 has 12 divisors (see below), whose sum is σ = 23015300414736. Its totient is φ = 5636400101520.

The previous prime is 12212200219913. The next prime is 12212200220021. The reversal of 12212200220012 is 21002200221221.

It is a happy number.

It is a super-2 number, since 2×12212200220012² (a number of 27 digits) contains 22 as substring.

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, 117425002064 + ... + 117425002167.

It is an arithmetic number, because the mean of its divisors is an integer number (1917941701228).

Almost surely, 2^{12212200220012} is an apocalyptic number.

It is an amenable number.

12212200220012 is a deficient number, since it is larger than the sum of its proper divisors (10803100194724).

12212200220012 is a wasteful number, since it uses less digits than its factorization.

12212200220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234850004248 (or 234850004246 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12212200220012 its reverse (21002200221221), we get a palindrome (33214400441233).

The spelling of 12212200220012 in words is "twelve trillion, two hundred twelve billion, two hundred million, two hundred twenty thousand, twelve".