12220211210212 has 24 divisors (see below), whose sum is σ = 21645711662400. Its totient is φ = 6035740442976.

The previous prime is 12220211210203. The next prime is 12220211210227. The reversal of 12220211210212 is 21201211202221.

It is a self number, because there is not a number n which added to its sum of digits gives 12220211210212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398089 + ... + 4959727.

It is an arithmetic number, because the mean of its divisors is an integer number (901904652600).

Almost surely, 2^{12220211210212} is an apocalyptic number.

It is an amenable number.

12220211210212 is a deficient number, since it is larger than the sum of its proper divisors (9425500452188).

12220211210212 is a wasteful number, since it uses less digits than its factorization.

12220211210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569795 (or 4569793 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12220211210212 its reverse (21201211202221), we get a palindrome (33421422412433).

The spelling of 12220211210212 in words is "twelve trillion, two hundred twenty billion, two hundred eleven million, two hundred ten thousand, two hundred twelve".