12212102212 has 12 divisors (see below), whose sum is σ = 21372240400. Its totient is φ = 6105747816.

The previous prime is 12212102209. The next prime is 12212102233. The reversal of 12212102212 is 21220121221.

It is a happy 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, 31723 + ... + 159469.

Almost surely, 2^12212102212 is an apocalyptic number.

It is an amenable number.

12212102212 is a deficient number, since it is larger than the sum of its proper divisors (9160138188).

12212102212 is a wasteful number, since it uses less digits than its factorization.

12212102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151650 (or 151648 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12212102212 its reverse (21220121221), we get a palindrome (33432223433).

The spelling of 12212102212 in words is "twelve billion, two hundred twelve million, one hundred two thousand, two hundred twelve".