11212012202212 has 36 divisors (see below), whose sum is σ = 20042477025340. Its totient is φ = 5487650793792.

The previous prime is 11212012202207. The next prime is 11212012202243. The reversal of 11212012202212 is 21220221021211.

It can be written as a sum of positive squares in 2 ways, for example, as 7658425272996 + 3553586929216 = 2767386^2 + 1885096^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11212012202212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1137178 + ... + 4870030.

Almost surely, 2^{11212012202212} is an apocalyptic number.

It is an amenable number.

11212012202212 is a deficient number, since it is larger than the sum of its proper divisors (8830464823128).

11212012202212 is a wasteful number, since it uses less digits than its factorization.

11212012202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733132 (or 3733047 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11212012202212 its reverse (21220221021211), we get a palindrome (32432233223423).

The spelling of 11212012202212 in words is "eleven trillion, two hundred twelve billion, twelve million, two hundred two thousand, two hundred twelve".