12102202211212 has 18 divisors (see below), whose sum is σ = 21934342123148. Its totient is φ = 5842442445168.

The previous prime is 12102202211207. The next prime is 12102202211237. The reversal of 12102202211212 is 21211220220121.

12102202211212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12102202211212² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12102202211212.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1798778178 + ... + 1798784905.

Almost surely, 2^{12102202211212} is an apocalyptic number.

It is an amenable number.

12102202211212 is a deficient number, since it is larger than the sum of its proper divisors (9832139911936).

12102202211212 is a wasteful number, since it uses less digits than its factorization.

12102202211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597563145 (or 3597563114 counting only the distinct ones).

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

Adding to 12102202211212 its reverse (21211220220121), we get a palindrome (33313422431333).

The spelling of 12102202211212 in words is "twelve trillion, one hundred two billion, two hundred two million, two hundred eleven thousand, two hundred twelve".