12211041212 has 12 divisors (see below), whose sum is σ = 21772517256. Its totient is φ = 5990322000.

The previous prime is 12211041211. The next prime is 12211041301. The reversal of 12211041212 is 21214011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211041211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28799414 + ... + 28799837.

It is an arithmetic number, because the mean of its divisors is an integer number (1814376438).

Almost surely, 2^12211041212 is an apocalyptic number.

It is an amenable number.

12211041212 is a deficient number, since it is larger than the sum of its proper divisors (9561476044).

12211041212 is a wasteful number, since it uses less digits than its factorization.

12211041212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57599308 (or 57599306 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12211041212 its reverse (21214011221), we get a palindrome (33425052433).

The spelling of 12211041212 in words is "twelve billion, two hundred eleven million, forty-one thousand, two hundred twelve".