11201212112012 has 12 divisors (see below), whose sum is σ = 21109976672736. Its totient is φ = 5169790205520.

The previous prime is 11201212111961. The next prime is 11201212112017. The reversal of 11201212112012 is 21021121210211.

It is not an unprimeable number, because it can be changed into a prime (11201212112017) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 107703962564 + ... + 107703962667.

It is an arithmetic number, because the mean of its divisors is an integer number (1759164722728).

Almost surely, 2^{11201212112012} is an apocalyptic number.

It is an amenable number.

11201212112012 is a deficient number, since it is larger than the sum of its proper divisors (9908764560724).

11201212112012 is a wasteful number, since it uses less digits than its factorization.

11201212112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215407925248 (or 215407925246 counting only the distinct ones).

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

Adding to 11201212112012 its reverse (21021121210211), we get a palindrome (32222333322223).

The spelling of 11201212112012 in words is "eleven trillion, two hundred one billion, two hundred twelve million, one hundred twelve thousand, twelve".