12220200120212 has 36 divisors (see below), whose sum is σ = 24883441347744. Its totient is φ = 5235838014960.

The previous prime is 12220200120211. The next prime is 12220200120223. The reversal of 12220200120212 is 21202100202221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220200120211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7537214 + ... + 9013877.

It is an arithmetic number, because the mean of its divisors is an integer number (691206704104).

Almost surely, 2^{12220200120212} is an apocalyptic number.

It is an amenable number.

12220200120212 is an abundant number, since it is smaller than the sum of its proper divisors (12663241227532).

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

12220200120212 is a wasteful number, since it uses less digits than its factorization.

12220200120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16554876 (or 16554867 counting only the distinct ones).

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

Adding to 12220200120212 its reverse (21202100202221), we get a palindrome (33422300322433).

The spelling of 12220200120212 in words is "twelve trillion, two hundred twenty billion, two hundred million, one hundred twenty thousand, two hundred twelve".