12102211202212 has 24 divisors (see below), whose sum is σ = 21193150809600. Its totient is φ = 6047026414560.

The previous prime is 12102211202201. The next prime is 12102211202269. The reversal of 12102211202212 is 21220211220121.

It is a self number, because there is not a number n which added to its sum of digits gives 12102211202212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42729039 + ... + 43011337.

It is an arithmetic number, because the mean of its divisors is an integer number (883047950400).

Almost surely, 2^{12102211202212} is an apocalyptic number.

It is an amenable number.

12102211202212 is a deficient number, since it is larger than the sum of its proper divisors (9090939607388).

12102211202212 is a wasteful number, since it uses less digits than its factorization.

12102211202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289491 (or 289489 counting only the distinct ones).

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

Adding to 12102211202212 its reverse (21220211220121), we get a palindrome (33322422422333).

The spelling of 12102211202212 in words is "twelve trillion, one hundred two billion, two hundred eleven million, two hundred two thousand, two hundred twelve".