11121212010212 has 6 divisors (see below), whose sum is σ = 19462121017878. Its totient is φ = 5560606005104.

The previous prime is 11121212010199. The next prime is 11121212010257. The reversal of 11121212010212 is 21201021212111.

It can be written as a sum of positive squares in only one way, i.e., 10156051164736 + 965160845476 = 3186856^2 + 982426^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390151501273 + ... + 1390151501280.

It is an arithmetic number, because the mean of its divisors is an integer number (3243686836313).

Almost surely, 2^{11121212010212} is an apocalyptic number.

It is an amenable number.

11121212010212 is a deficient number, since it is larger than the sum of its proper divisors (8340909007666).

11121212010212 is a wasteful number, since it uses less digits than its factorization.

11121212010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780303002557 (or 2780303002555 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11121212010212 its reverse (21201021212111), we get a palindrome (32322233222323).

The spelling of 11121212010212 in words is "eleven trillion, one hundred twenty-one billion, two hundred twelve million, ten thousand, two hundred twelve".