12220101212212 has 24 divisors (see below), whose sum is σ = 21882854049056. Its totient is φ = 5967861707808.

The previous prime is 12220101212203. The next prime is 12220101212213. The reversal of 12220101212212 is 21221210102221.

12220101212212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12220101212212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220101212213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10994338 + ... + 12054694.

Almost surely, 2^{12220101212212} is an apocalyptic number.

It is an amenable number.

12220101212212 is a deficient number, since it is larger than the sum of its proper divisors (9662752836844).

12220101212212 is a wasteful number, since it uses less digits than its factorization.

12220101212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127407 (or 1127405 counting only the distinct ones).

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

Adding to 12220101212212 its reverse (21221210102221), we get a palindrome (33441311314433).

The spelling of 12220101212212 in words is "twelve trillion, two hundred twenty billion, one hundred one million, two hundred twelve thousand, two hundred twelve".