12122022212 has 48 divisors (see below), whose sum is σ = 22312012800. Its totient is φ = 5751554688.

The previous prime is 12122022191. The next prime is 12122022221. The reversal of 12122022212 is 21222022121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7159238 + ... + 7160930.

It is an arithmetic number, because the mean of its divisors is an integer number (464833600).

Almost surely, 2^12122022212 is an apocalyptic number.

It is an amenable number.

12122022212 is a deficient number, since it is larger than the sum of its proper divisors (10189990588).

12122022212 is a wasteful number, since it uses less digits than its factorization.

12122022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292 (or 2290 counting only the distinct ones).

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

Adding to 12122022212 its reverse (21222022121), we get a palindrome (33344044333).

Subtracting 12122022212 from its reverse (21222022121), we obtain a palindrome (9099999909).

The spelling of 12122022212 in words is "twelve billion, one hundred twenty-two million, twenty-two thousand, two hundred twelve".