12211121022212 has 48 divisors (see below), whose sum is σ = 24441174949632. Its totient is φ = 5229281911680.

The previous prime is 12211121022187. The next prime is 12211121022277. The reversal of 12211121022212 is 21222012111221.

12211121022212 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 2×12211121022212² (a number of 27 digits) contains 22 as substring.

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, 238785398 + ... + 238836530.

It is an arithmetic number, because the mean of its divisors is an integer number (509191144784).

Almost surely, 2^{12211121022212} is an apocalyptic number.

It is an amenable number.

12211121022212 is an abundant number, since it is smaller than the sum of its proper divisors (12230053927420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211121022212 is a wasteful number, since it uses less digits than its factorization.

12211121022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57588 (or 57586 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12211121022212 its reverse (21222012111221), we get a palindrome (33433133133433).

The spelling of 12211121022212 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, twenty-two thousand, two hundred twelve".