12211011122212 has 24 divisors (see below), whose sum is σ = 24459768837504. Its totient is φ = 5225201925312.

The previous prime is 12211011122209. The next prime is 12211011122221. The reversal of 12211011122212 is 21222111011221.

It is a happy number.

12211011122212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12211011122212.

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, 337004713 + ... + 337040944.

It is an arithmetic number, because the mean of its divisors is an integer number (1019157034896).

Almost surely, 2^{12211011122212} is an apocalyptic number.

It is an amenable number.

12211011122212 is an abundant number, since it is smaller than the sum of its proper divisors (12248757715292).

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

12211011122212 is a wasteful number, since it uses less digits than its factorization.

12211011122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674046315 (or 674046313 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12211011122212 its reverse (21222111011221), we get a palindrome (33433122133433).

The spelling of 12211011122212 in words is "twelve trillion, two hundred eleven billion, eleven million, one hundred twenty-two thousand, two hundred twelve".