12211002212 has 48 divisors (see below), whose sum is σ = 21928802112. Its totient is φ = 5948380800.

The previous prime is 12211002169. The next prime is 12211002263. The reversal of 12211002212 is 21220011221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7045298 + ... + 7047030.

It is an arithmetic number, because the mean of its divisors is an integer number (456850044).

Almost surely, 2^12211002212 is an apocalyptic number.

It is an amenable number.

12211002212 is a deficient number, since it is larger than the sum of its proper divisors (9717799900).

12211002212 is a wasteful number, since it uses less digits than its factorization.

12211002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12211002212 its reverse (21220011221), we get a palindrome (33431013433).

Subtracting 12211002212 from its reverse (21220011221), we obtain a palindrome (9009009009).

The spelling of 12211002212 in words is "twelve billion, two hundred eleven million, two thousand, two hundred twelve".