12122210201212 has 12 divisors (see below), whose sum is σ = 22136209932816. Its totient is φ = 5797578791840.

The previous prime is 12122210201207. The next prime is 12122210201273. The reversal of 12122210201212 is 21210201222121.

It is a self number, because there is not a number n which added to its sum of digits gives 12122210201212.

It is a congruent number.

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, 65881577089 + ... + 65881577272.

It is an arithmetic number, because the mean of its divisors is an integer number (1844684161068).

Almost surely, 2^{12122210201212} is an apocalyptic number.

It is an amenable number.

12122210201212 is a deficient number, since it is larger than the sum of its proper divisors (10013999731604).

12122210201212 is a wasteful number, since it uses less digits than its factorization.

12122210201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131763154388 (or 131763154386 counting only the distinct ones).

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

Adding to 12122210201212 its reverse (21210201222121), we get a palindrome (33332411423333).

The spelling of 12122210201212 in words is "twelve trillion, one hundred twenty-two billion, two hundred ten million, two hundred one thousand, two hundred twelve".