12122012222212 has 24 divisors (see below), whose sum is σ = 21327628930272. Its totient is φ = 6028440532800.

The previous prime is 12122012222189. The next prime is 12122012222213. The reversal of 12122012222212 is 21222221022121.

It is a super-2 number, since 2×12122012222212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12122012222213) 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, 3245233 + ... + 5897080.

It is an arithmetic number, because the mean of its divisors is an integer number (888651205428).

Almost surely, 2^{12122012222212} is an apocalyptic number.

It is an amenable number.

12122012222212 is a deficient number, since it is larger than the sum of its proper divisors (9205616708060).

12122012222212 is a wasteful number, since it uses less digits than its factorization.

12122012222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144099 (or 9144097 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12122012222212 its reverse (21222221022121), we get a palindrome (33344233244333).

The spelling of 12122012222212 in words is "twelve trillion, one hundred twenty-two billion, twelve million, two hundred twenty-two thousand, two hundred twelve".